• https://repositorio-aberto.up.pt/handle/10216/114428
• https://repositorio-aberto.up.pt/handle/10216/166518
• https://repositorio-aberto.up.pt/handle/10216/106707
• https://repositorio-aberto.up.pt/handle/10216/155696
• https://repositorio-aberto.up.pt/handle/10216/87356
• https://repositorio-aberto.up.pt/handle/10216/65430
• https://repositorio-aberto.up.pt/handle/10216/132544
• https://repositorio-aberto.up.pt/handle/10216/111029
• https://repositorio-aberto.up.pt/handle/10216/104842
• https://repositorio-aberto.up.pt/handle/10216/138784
• https://repositorio-aberto.up.pt/handle/10216/82915
• https://repositorio-aberto.up.pt/handle/10216/101193
• https://repositorio-aberto.up.pt/handle/10216/96622
• https://repositorio-aberto.up.pt/handle/10216/135499
• https://repositorio-aberto.up.pt/handle/10216/150998
• https://repositorio-aberto.up.pt/handle/10216/92697
• https://repositorio-aberto.up.pt/handle/10216/104103
• https://repositorio-aberto.up.pt/handle/10216/69661
• https://repositorio-aberto.up.pt/handle/10216/100536
• https://repositorio-aberto.up.pt/handle/10216/152155
• https://repositorio-aberto.up.pt/handle/10216/64915
• https://repositorio-aberto.up.pt/handle/10216/130287
• https://repositorio-aberto.up.pt/handle/10216/107287
• https://repositorio-aberto.up.pt/handle/10216/102284
• https://repositorio-aberto.up.pt/handle/10216/112155
• https://repositorio-aberto.up.pt/handle/10216/85864
• https://repositorio-aberto.up.pt/handle/10216/52300
• https://repositorio-aberto.up.pt/handle/10216/122869
• https://repositorio-aberto.up.pt/handle/10216/77990
• https://repositorio-aberto.up.pt/handle/10216/139634
• https://repositorio-aberto.up.pt/handle/10216/117219
• https://repositorio-aberto.up.pt/handle/10216/128865
• https://repositorio-aberto.up.pt/handle/10216/161504
• https://repositorio-aberto.up.pt/handle/10216/85707
• https://repositorio-aberto.up.pt/handle/10216/141740
• https://repositorio-aberto.up.pt/handle/10216/142368
• https://repositorio-aberto.up.pt/handle/10216/69424
• https://repositorio-aberto.up.pt/handle/10216/96102
• https://repositorio-aberto.up.pt/handle/10216/77019
• https://repositorio-aberto.up.pt/handle/10216/144552
• https://repositorio-aberto.up.pt/handle/10216/80029
• https://repositorio-aberto.up.pt/handle/10216/127985
• https://repositorio-aberto.up.pt/handle/10216/129109
• https://repositorio-aberto.up.pt/handle/10216/101024
• https://repositorio-aberto.up.pt/handle/10216/92496
• https://repositorio-aberto.up.pt/handle/10216/96067
• https://repositorio-aberto.up.pt/handle/10216/82758
• https://repositorio-aberto.up.pt/handle/10216/92116
• https://repositorio-aberto.up.pt/handle/10216/79886
• https://repositorio-aberto.up.pt/handle/10216/107938
• https://repositorio-aberto.up.pt/handle/10216/111122
• https://repositorio-aberto.up.pt/handle/10216/136101
• https://repositorio-aberto.up.pt/handle/10216/133563
• https://repositorio-aberto.up.pt/handle/10216/87051
• https://repositorio-aberto.up.pt/handle/10216/69122
• https://repositorio-aberto.up.pt/handle/10216/99839
• https://repositorio-aberto.up.pt/handle/10216/84589
• https://repositorio-aberto.up.pt/handle/10216/114363
• https://repositorio-aberto.up.pt/handle/10216/100805
• https://repositorio-aberto.up.pt/handle/10216/88302
• https://repositorio-aberto.up.pt/handle/10216/101198
• https://repositorio-aberto.up.pt/handle/10216/68880
• https://repositorio-aberto.up.pt/handle/10216/121466
• https://repositorio-aberto.up.pt/handle/10216/98520
• https://repositorio-aberto.up.pt/handle/10216/122819
• https://repositorio-aberto.up.pt/handle/10216/53505
• https://repositorio-aberto.up.pt/handle/10216/99623
• https://repositorio-aberto.up.pt/handle/10216/115295
• https://repositorio-aberto.up.pt/handle/10216/2055
• https://repositorio-aberto.up.pt/handle/10216/84031
• https://repositorio-aberto.up.pt/handle/10216/65473
• https://repositorio-aberto.up.pt/handle/10216/52396
• https://repositorio-aberto.up.pt/handle/10216/114112
• https://repositorio-aberto.up.pt/handle/10216/166749
• https://repositorio-aberto.up.pt/handle/10216/110828
• https://repositorio-aberto.up.pt/handle/10216/93168
• https://repositorio-aberto.up.pt/handle/10216/99070
• https://repositorio-aberto.up.pt/handle/10216/86204
• https://repositorio-aberto.up.pt/handle/10216/98656
• https://repositorio-aberto.up.pt/handle/10216/137645
• https://repositorio-aberto.up.pt/handle/10216/53901
• https://repositorio-aberto.up.pt/handle/10216/56970
• https://repositorio-aberto.up.pt/handle/10216/85369
• https://repositorio-aberto.up.pt/handle/10216/129993
• https://repositorio-aberto.up.pt/handle/10216/100537
• https://repositorio-aberto.up.pt/handle/10216/115881
• https://repositorio-aberto.up.pt/handle/10216/104846
• https://repositorio-aberto.up.pt/handle/10216/64631
• https://repositorio-aberto.up.pt/handle/10216/69530
• https://repositorio-aberto.up.pt/handle/10216/117045
• https://repositorio-aberto.up.pt/handle/10216/91563
• https://repositorio-aberto.up.pt/handle/10216/111426
• https://repositorio-aberto.up.pt/handle/10216/85536
• https://repositorio-aberto.up.pt/handle/10216/97058
• https://repositorio-aberto.up.pt/handle/10216/23066
• https://repositorio-aberto.up.pt/handle/10216/162588
• https://repositorio-aberto.up.pt/handle/10216/112185
• https://repositorio-aberto.up.pt/handle/10216/112973
• https://repositorio-aberto.up.pt/handle/10216/117443
• https://repositorio-aberto.up.pt/handle/10216/139752
• https://repositorio-aberto.up.pt/handle/10216/144893
• https://repositorio-aberto.up.pt/handle/10216/86317
• https://repositorio-aberto.up.pt/handle/10216/75071
• https://repositorio-aberto.up.pt/handle/10216/91491
• https://repositorio-aberto.up.pt/handle/10216/134272
• https://repositorio-aberto.up.pt/handle/10216/55808
• https://repositorio-aberto.up.pt/handle/10216/151999
• https://repositorio-aberto.up.pt/handle/10216/93275
• https://repositorio-aberto.up.pt/handle/10216/115545
• https://repositorio-aberto.up.pt/handle/10216/132801
• https://repositorio-aberto.up.pt/handle/10216/71901
• https://repositorio-aberto.up.pt/handle/10216/114034
• https://repositorio-aberto.up.pt/handle/10216/93837
• https://repositorio-aberto.up.pt/handle/10216/134864
• https://repositorio-aberto.up.pt/handle/10216/138417
• https://repositorio-aberto.up.pt/handle/10216/99808
• https://repositorio-aberto.up.pt/handle/10216/69427
• https://repositorio-aberto.up.pt/handle/10216/108847
• https://repositorio-aberto.up.pt/handle/10216/139024
• https://repositorio-aberto.up.pt/handle/10216/93765
• https://repositorio-aberto.up.pt/handle/10216/21760
• https://repositorio-aberto.up.pt/handle/10216/99550
• https://repositorio-aberto.up.pt/handle/10216/92397
• https://repositorio-aberto.up.pt/handle/10216/94864
• https://repositorio-aberto.up.pt/handle/10216/152140
• https://repositorio-aberto.up.pt/handle/10216/81983
• https://repositorio-aberto.up.pt/handle/10216/70774
• https://repositorio-aberto.up.pt/handle/10216/86824
• https://repositorio-aberto.up.pt/handle/10216/21568
• https://repositorio-aberto.up.pt/handle/10216/85668
• https://repositorio-aberto.up.pt/handle/10216/14690
• https://repositorio-aberto.up.pt/handle/10216/80399
• https://repositorio-aberto.up.pt/handle/10216/107436
• https://repositorio-aberto.up.pt/handle/10216/6899
• https://repositorio-aberto.up.pt/handle/10216/65339
• https://repositorio-aberto.up.pt/handle/10216/16185
• https://repositorio-aberto.up.pt/handle/10216/68564
• https://repositorio-aberto.up.pt/handle/10216/92687
• https://repositorio-aberto.up.pt/handle/10216/153488
• https://repositorio-aberto.up.pt/handle/10216/108950
• https://repositorio-aberto.up.pt/handle/10216/67038
• https://repositorio-aberto.up.pt/handle/10216/20477
• https://repositorio-aberto.up.pt/handle/10216/71038
• https://repositorio-aberto.up.pt/handle/10216/137144
• https://repositorio-aberto.up.pt/handle/10216/66605
• https://repositorio-aberto.up.pt/handle/10216/82134
• https://repositorio-aberto.up.pt/handle/10216/104858
• https://repositorio-aberto.up.pt/handle/10216/77837
• https://repositorio-aberto.up.pt/handle/10216/19489
• https://repositorio-aberto.up.pt/handle/10216/122518
• https://repositorio-aberto.up.pt/handle/10216/112922
• https://repositorio-aberto.up.pt/handle/10216/77406
• https://repositorio-aberto.up.pt/handle/10216/57037
• https://repositorio-aberto.up.pt/handle/10216/88587
• https://repositorio-aberto.up.pt/handle/10216/117507
• https://repositorio-aberto.up.pt/handle/10216/101210
• https://repositorio-aberto.up.pt/handle/10216/111826
• https://repositorio-aberto.up.pt/handle/10216/137772
• https://repositorio-aberto.up.pt/handle/10216/118249
• https://repositorio-aberto.up.pt/handle/10216/130280
• https://repositorio-aberto.up.pt/handle/10216/91396
• https://repositorio-aberto.up.pt/handle/10216/99985
• https://repositorio-aberto.up.pt/handle/10216/99774
• https://repositorio-aberto.up.pt/handle/10216/115786
• https://repositorio-aberto.up.pt/handle/10216/74412
• https://repositorio-aberto.up.pt/handle/10216/5580
• https://repositorio-aberto.up.pt/handle/10216/98940
• https://repositorio-aberto.up.pt/handle/10216/25781
• https://repositorio-aberto.up.pt/handle/10216/90747
• https://repositorio-aberto.up.pt/handle/10216/160982
• https://repositorio-aberto.up.pt/handle/10216/15533
• https://repositorio-aberto.up.pt/handle/10216/137424
• https://repositorio-aberto.up.pt/handle/10216/72419
• https://repositorio-aberto.up.pt/handle/10216/76447
• https://repositorio-aberto.up.pt/handle/10216/89299
• https://repositorio-aberto.up.pt/handle/10216/122704
• https://repositorio-aberto.up.pt/handle/10216/9302
• https://repositorio-aberto.up.pt/handle/10216/111976
• https://repositorio-aberto.up.pt/handle/10216/133233
• https://repositorio-aberto.up.pt/handle/10216/121210
• https://repositorio-aberto.up.pt/handle/10216/137754
• https://repositorio-aberto.up.pt/handle/10216/153227
• https://repositorio-aberto.up.pt/handle/10216/78018
• https://repositorio-aberto.up.pt/handle/10216/150304
• https://repositorio-aberto.up.pt/handle/10216/145616
• https://repositorio-aberto.up.pt/handle/10216/127017
• https://repositorio-aberto.up.pt/handle/10216/95919
• https://repositorio-aberto.up.pt/handle/10216/107907
• https://repositorio-aberto.up.pt/handle/10216/117370
• https://repositorio-aberto.up.pt/handle/10216/92612
• https://repositorio-aberto.up.pt/handle/10216/97982
• https://repositorio-aberto.up.pt/handle/10216/106512
• https://repositorio-aberto.up.pt/handle/10216/104374
• https://repositorio-aberto.up.pt/handle/10216/55861
• https://repositorio-aberto.up.pt/handle/10216/77918
• https://repositorio-aberto.up.pt/handle/10216/107334
• https://repositorio-aberto.up.pt/handle/10216/77582
• https://repositorio-aberto.up.pt/handle/10216/64464
• https://repositorio-aberto.up.pt/handle/10216/163089
• https://repositorio-aberto.up.pt/handle/10216/108219
• https://repositorio-aberto.up.pt/handle/10216/112811
• https://repositorio-aberto.up.pt/handle/10216/70533
• https://repositorio-aberto.up.pt/handle/10216/151793
• https://repositorio-aberto.up.pt/handle/10216/157696
• https://repositorio-aberto.up.pt/handle/10216/141673
• https://repositorio-aberto.up.pt/handle/10216/76435
• https://repositorio-aberto.up.pt/handle/10216/75881
• https://repositorio-aberto.up.pt/handle/10216/101064
• https://repositorio-aberto.up.pt/handle/10216/79190
• https://repositorio-aberto.up.pt/handle/10216/213
• https://repositorio-aberto.up.pt/handle/10216/102550
• https://repositorio-aberto.up.pt/handle/10216/96379
• https://repositorio-aberto.up.pt/handle/10216/66042
• https://repositorio-aberto.up.pt/handle/10216/56545
• https://repositorio-aberto.up.pt/handle/10216/70607
• https://repositorio-aberto.up.pt/handle/10216/113882
• https://repositorio-aberto.up.pt/handle/10216/130718
• https://repositorio-aberto.up.pt/handle/10216/67361
• https://repositorio-aberto.up.pt/handle/10216/95999
• https://repositorio-aberto.up.pt/handle/10216/138149
• https://repositorio-aberto.up.pt/handle/10216/93753
• https://repositorio-aberto.up.pt/handle/10216/21474
• https://repositorio-aberto.up.pt/handle/10216/141692
• https://repositorio-aberto.up.pt/handle/10216/125762
• https://repositorio-aberto.up.pt/handle/10216/57473
• https://repositorio-aberto.up.pt/handle/10216/140257
• https://repositorio-aberto.up.pt/handle/10216/76189
• https://repositorio-aberto.up.pt/handle/10216/77539
• https://repositorio-aberto.up.pt/handle/10216/93672
• https://repositorio-aberto.up.pt/handle/10216/98292
• https://repositorio-aberto.up.pt/handle/10216/136972
• https://repositorio-aberto.up.pt/handle/10216/114288
• https://repositorio-aberto.up.pt/handle/10216/103813
• https://repositorio-aberto.up.pt/handle/10216/80599
• https://repositorio-aberto.up.pt/handle/10216/80273
• https://repositorio-aberto.up.pt/handle/10216/56419
• https://repositorio-aberto.up.pt/handle/10216/56495
• https://repositorio-aberto.up.pt/handle/10216/453
• https://repositorio-aberto.up.pt/handle/10216/93982
• https://repositorio-aberto.up.pt/handle/10216/87691
• https://repositorio-aberto.up.pt/handle/10216/113935
• https://repositorio-aberto.up.pt/handle/10216/94127
• https://repositorio-aberto.up.pt/handle/10216/166697
• https://repositorio-aberto.up.pt/handle/10216/69822
• https://repositorio-aberto.up.pt/handle/10216/100002
• https://repositorio-aberto.up.pt/handle/10216/119008
• https://repositorio-aberto.up.pt/handle/10216/92063
• https://repositorio-aberto.up.pt/handle/10216/124260
• https://repositorio-aberto.up.pt/handle/10216/56430
• https://repositorio-aberto.up.pt/handle/10216/158895
• https://repositorio-aberto.up.pt/handle/10216/93973
• https://repositorio-aberto.up.pt/handle/10216/137363
• https://repositorio-aberto.up.pt/handle/10216/84157
• https://repositorio-aberto.up.pt/handle/10216/136460
• https://repositorio-aberto.up.pt/handle/10216/134994
• https://repositorio-aberto.up.pt/handle/10216/142747
• https://repositorio-aberto.up.pt/handle/10216/39543
• https://repositorio-aberto.up.pt/handle/10216/67518
• https://repositorio-aberto.up.pt/handle/10216/98969
• https://repositorio-aberto.up.pt/handle/10216/73164
• https://repositorio-aberto.up.pt/handle/10216/135649
• https://repositorio-aberto.up.pt/handle/10216/64489
• https://repositorio-aberto.up.pt/handle/10216/124960
• https://repositorio-aberto.up.pt/handle/10216/80169
• https://repositorio-aberto.up.pt/handle/10216/128783
• https://repositorio-aberto.up.pt/handle/10216/130841
• https://repositorio-aberto.up.pt/handle/10216/14694
• https://repositorio-aberto.up.pt/handle/10216/77667
• https://repositorio-aberto.up.pt/handle/10216/154581
• https://repositorio-aberto.up.pt/handle/10216/104560
• https://repositorio-aberto.up.pt/handle/10216/113924
• https://repositorio-aberto.up.pt/handle/10216/95610
• https://repositorio-aberto.up.pt/handle/10216/67292
• https://repositorio-aberto.up.pt/handle/10216/107667
• https://repositorio-aberto.up.pt/handle/10216/114972
• https://repositorio-aberto.up.pt/handle/10216/16186
• https://repositorio-aberto.up.pt/handle/10216/92818
• https://repositorio-aberto.up.pt/handle/10216/345
• https://repositorio-aberto.up.pt/handle/10216/117193
• https://repositorio-aberto.up.pt/handle/10216/10812
• https://repositorio-aberto.up.pt/handle/10216/95103
• https://repositorio-aberto.up.pt/handle/10216/128108
• https://repositorio-aberto.up.pt/handle/10216/84952
• https://repositorio-aberto.up.pt/handle/10216/140653
• https://repositorio-aberto.up.pt/handle/10216/105704
• https://repositorio-aberto.up.pt/handle/10216/122698
• https://repositorio-aberto.up.pt/handle/10216/74751
• https://repositorio-aberto.up.pt/handle/10216/106687
• https://repositorio-aberto.up.pt/handle/10216/68765
• https://repositorio-aberto.up.pt/handle/10216/86397
• https://repositorio-aberto.up.pt/handle/10216/119692
• https://repositorio-aberto.up.pt/handle/10216/96128
• https://repositorio-aberto.up.pt/handle/10216/153035
• https://repositorio-aberto.up.pt/handle/10216/79883
• https://repositorio-aberto.up.pt/handle/10216/103706
• https://repositorio-aberto.up.pt/handle/10216/91779
• https://repositorio-aberto.up.pt/handle/10216/95192
• https://repositorio-aberto.up.pt/handle/10216/93093
• https://repositorio-aberto.up.pt/handle/10216/159178
• https://repositorio-aberto.up.pt/handle/10216/100233
• https://repositorio-aberto.up.pt/handle/10216/117680
• https://repositorio-aberto.up.pt/handle/10216/143004
• https://repositorio-aberto.up.pt/handle/10216/68825
• https://repositorio-aberto.up.pt/handle/10216/85329
• https://repositorio-aberto.up.pt/handle/10216/94426
• https://repositorio-aberto.up.pt/handle/10216/107013
• https://repositorio-aberto.up.pt/handle/10216/96580
• https://repositorio-aberto.up.pt/handle/10216/109894
• https://repositorio-aberto.up.pt/handle/10216/104247
• https://repositorio-aberto.up.pt/handle/10216/87481
• https://repositorio-aberto.up.pt/handle/10216/139035
• https://repositorio-aberto.up.pt/handle/10216/69594
• https://repositorio-aberto.up.pt/handle/10216/99081
• https://repositorio-aberto.up.pt/handle/10216/153320
• https://repositorio-aberto.up.pt/handle/10216/25498
• https://repositorio-aberto.up.pt/handle/10216/142399
• https://repositorio-aberto.up.pt/handle/10216/145148
• https://repositorio-aberto.up.pt/handle/10216/83994
• https://repositorio-aberto.up.pt/handle/10216/157071
• https://repositorio-aberto.up.pt/handle/10216/121650
• https://repositorio-aberto.up.pt/handle/10216/94626
• https://repositorio-aberto.up.pt/handle/10216/65824
• https://repositorio-aberto.up.pt/handle/10216/115980
• https://repositorio-aberto.up.pt/handle/10216/98731
• https://repositorio-aberto.up.pt/handle/10216/94345
• https://repositorio-aberto.up.pt/handle/10216/79839
• https://repositorio-aberto.up.pt/handle/10216/107742
• https://repositorio-aberto.up.pt/handle/10216/146488
• https://repositorio-aberto.up.pt/handle/10216/75553
• https://repositorio-aberto.up.pt/handle/10216/96997
• https://repositorio-aberto.up.pt/handle/10216/153954
• https://repositorio-aberto.up.pt/handle/10216/112992
• https://repositorio-aberto.up.pt/handle/10216/110471
• https://repositorio-aberto.up.pt/handle/10216/66468
• https://repositorio-aberto.up.pt/handle/10216/95780
• https://repositorio-aberto.up.pt/handle/10216/15375
• https://repositorio-aberto.up.pt/handle/10216/90987
• https://repositorio-aberto.up.pt/handle/10216/83908
• https://repositorio-aberto.up.pt/handle/10216/78101
• https://repositorio-aberto.up.pt/handle/10216/25713
• https://repositorio-aberto.up.pt/handle/10216/376
• https://repositorio-aberto.up.pt/handle/10216/95349
• https://repositorio-aberto.up.pt/handle/10216/96548
• https://repositorio-aberto.up.pt/handle/10216/102724
• https://repositorio-aberto.up.pt/handle/10216/77541
• https://repositorio-aberto.up.pt/handle/10216/103031
• https://repositorio-aberto.up.pt/handle/10216/106968
• https://repositorio-aberto.up.pt/handle/10216/101192
• https://repositorio-aberto.up.pt/handle/10216/65802
• https://repositorio-aberto.up.pt/handle/10216/109142
• https://repositorio-aberto.up.pt/handle/10216/69365
• https://repositorio-aberto.up.pt/handle/10216/104573
• https://repositorio-aberto.up.pt/handle/10216/67716
• https://repositorio-aberto.up.pt/handle/10216/107615
• https://repositorio-aberto.up.pt/handle/10216/109800
• https://repositorio-aberto.up.pt/handle/10216/108821
• https://repositorio-aberto.up.pt/handle/10216/160049
• https://repositorio-aberto.up.pt/handle/10216/72429
• https://repositorio-aberto.up.pt/handle/10216/104409
• https://repositorio-aberto.up.pt/handle/10216/21492
• https://repositorio-aberto.up.pt/handle/10216/105064
• https://repositorio-aberto.up.pt/handle/10216/91419
• https://repositorio-aberto.up.pt/handle/10216/110026
• https://repositorio-aberto.up.pt/handle/10216/99847
• https://repositorio-aberto.up.pt/handle/10216/112398
• https://repositorio-aberto.up.pt/handle/10216/99781
• https://repositorio-aberto.up.pt/handle/10216/116396
• https://repositorio-aberto.up.pt/handle/10216/69046
• https://repositorio-aberto.up.pt/handle/10216/117327
• https://repositorio-aberto.up.pt/handle/10216/140569
• https://repositorio-aberto.up.pt/handle/10216/76715
• https://repositorio-aberto.up.pt/handle/10216/91701
• https://repositorio-aberto.up.pt/handle/10216/110599
• https://repositorio-aberto.up.pt/handle/10216/70167
• https://repositorio-aberto.up.pt/handle/10216/71869
• https://repositorio-aberto.up.pt/handle/10216/84916
• https://repositorio-aberto.up.pt/handle/10216/83942
• https://repositorio-aberto.up.pt/handle/10216/137883
• https://repositorio-aberto.up.pt/handle/10216/129529
• https://repositorio-aberto.up.pt/handle/10216/134397
• https://repositorio-aberto.up.pt/handle/10216/162328
• https://repositorio-aberto.up.pt/handle/10216/78075
• https://repositorio-aberto.up.pt/handle/10216/98539
• https://repositorio-aberto.up.pt/handle/10216/43591
• https://repositorio-aberto.up.pt/handle/10216/93791
• https://repositorio-aberto.up.pt/handle/10216/75834
• https://repositorio-aberto.up.pt/handle/10216/94733
• https://repositorio-aberto.up.pt/handle/10216/119635
• https://repositorio-aberto.up.pt/handle/10216/7656
• https://repositorio-aberto.up.pt/handle/10216/96897
• https://repositorio-aberto.up.pt/handle/10216/128165
• https://repositorio-aberto.up.pt/handle/10216/117534
• https://repositorio-aberto.up.pt/handle/10216/158168
• https://repositorio-aberto.up.pt/handle/10216/78660
• https://repositorio-aberto.up.pt/handle/10216/103599
• https://repositorio-aberto.up.pt/handle/10216/71636
• https://repositorio-aberto.up.pt/handle/10216/84062
• https://repositorio-aberto.up.pt/handle/10216/98096
• https://repositorio-aberto.up.pt/handle/10216/78966