• https://repositorio-aberto.up.pt/handle/10216/128971
• https://repositorio-aberto.up.pt/handle/10216/97906
• https://repositorio-aberto.up.pt/handle/10216/84661
• https://repositorio-aberto.up.pt/handle/10216/119719
• https://repositorio-aberto.up.pt/handle/10216/125949
• https://repositorio-aberto.up.pt/handle/10216/15671
• https://repositorio-aberto.up.pt/handle/10216/68601
• https://repositorio-aberto.up.pt/handle/10216/97964
• https://repositorio-aberto.up.pt/handle/10216/113242
• https://repositorio-aberto.up.pt/handle/10216/622
• https://repositorio-aberto.up.pt/handle/10216/109349
• https://repositorio-aberto.up.pt/handle/10216/109642
• https://repositorio-aberto.up.pt/handle/10216/72332
• https://repositorio-aberto.up.pt/handle/10216/102873
• https://repositorio-aberto.up.pt/handle/10216/84904
• https://repositorio-aberto.up.pt/handle/10216/61950
• https://repositorio-aberto.up.pt/handle/10216/126618
• https://repositorio-aberto.up.pt/handle/10216/145859
• https://repositorio-aberto.up.pt/handle/10216/89522
• https://repositorio-aberto.up.pt/handle/10216/86017
• https://repositorio-aberto.up.pt/handle/10216/129363
• https://repositorio-aberto.up.pt/handle/10216/101593
• https://repositorio-aberto.up.pt/handle/10216/92627
• https://repositorio-aberto.up.pt/handle/10216/145860
• https://repositorio-aberto.up.pt/handle/10216/150791
• https://repositorio-aberto.up.pt/handle/10216/74307
• https://repositorio-aberto.up.pt/handle/10216/131801
• https://repositorio-aberto.up.pt/handle/10216/91687
• https://repositorio-aberto.up.pt/handle/10216/78758
• https://repositorio-aberto.up.pt/handle/10216/77519
• https://repositorio-aberto.up.pt/handle/10216/142063
• https://repositorio-aberto.up.pt/handle/10216/113479
• https://repositorio-aberto.up.pt/handle/10216/145861
• https://repositorio-aberto.up.pt/handle/10216/103836
• https://repositorio-aberto.up.pt/handle/10216/145780
• https://repositorio-aberto.up.pt/handle/10216/105748
• https://repositorio-aberto.up.pt/handle/10216/67372
• https://repositorio-aberto.up.pt/handle/10216/81759
• https://repositorio-aberto.up.pt/handle/10216/97088
• https://repositorio-aberto.up.pt/handle/10216/120766
• https://repositorio-aberto.up.pt/handle/10216/65937
• https://repositorio-aberto.up.pt/handle/10216/98044
• https://repositorio-aberto.up.pt/handle/10216/100819
• https://repositorio-aberto.up.pt/handle/10216/26633
• https://repositorio-aberto.up.pt/handle/10216/112378
• https://repositorio-aberto.up.pt/handle/10216/81784
• https://repositorio-aberto.up.pt/handle/10216/97925
• https://repositorio-aberto.up.pt/handle/10216/92559
• https://repositorio-aberto.up.pt/handle/10216/94552
• https://repositorio-aberto.up.pt/handle/10216/83090
• https://repositorio-aberto.up.pt/handle/10216/98885
• https://repositorio-aberto.up.pt/handle/10216/104851
• https://repositorio-aberto.up.pt/handle/10216/85488
• https://repositorio-aberto.up.pt/handle/10216/78693
• https://repositorio-aberto.up.pt/handle/10216/144664
• https://repositorio-aberto.up.pt/handle/10216/145985
• https://repositorio-aberto.up.pt/handle/10216/77950
• https://repositorio-aberto.up.pt/handle/10216/108194
• https://repositorio-aberto.up.pt/handle/10216/135446
• https://repositorio-aberto.up.pt/handle/10216/145919
• https://repositorio-aberto.up.pt/handle/10216/99865
• https://repositorio-aberto.up.pt/handle/10216/92937
• https://repositorio-aberto.up.pt/handle/10216/94030
• https://repositorio-aberto.up.pt/handle/10216/107397
• https://repositorio-aberto.up.pt/handle/10216/94452
• https://repositorio-aberto.up.pt/handle/10216/84780
• https://repositorio-aberto.up.pt/handle/10216/163972
• https://repositorio-aberto.up.pt/handle/10216/75231
• https://repositorio-aberto.up.pt/handle/10216/103108
• https://repositorio-aberto.up.pt/handle/10216/145986
• https://repositorio-aberto.up.pt/handle/10216/55164
• https://repositorio-aberto.up.pt/handle/10216/104131
• https://repositorio-aberto.up.pt/handle/10216/125798
• https://repositorio-aberto.up.pt/handle/10216/164934
• https://repositorio-aberto.up.pt/handle/10216/93468
• https://repositorio-aberto.up.pt/handle/10216/145987
• https://repositorio-aberto.up.pt/handle/10216/14527
• https://repositorio-aberto.up.pt/handle/10216/145873
• https://repositorio-aberto.up.pt/handle/10216/98355
• https://repositorio-aberto.up.pt/handle/10216/78044
• https://repositorio-aberto.up.pt/handle/10216/97484
• https://repositorio-aberto.up.pt/handle/10216/21319
• https://repositorio-aberto.up.pt/handle/10216/104288
• https://repositorio-aberto.up.pt/handle/10216/14545
• https://repositorio-aberto.up.pt/handle/10216/141847
• https://repositorio-aberto.up.pt/handle/10216/153426
• https://repositorio-aberto.up.pt/handle/10216/125519
• https://repositorio-aberto.up.pt/handle/10216/83572
• https://repositorio-aberto.up.pt/handle/10216/92782
• https://repositorio-aberto.up.pt/handle/10216/145988
• https://repositorio-aberto.up.pt/handle/10216/14410
• https://repositorio-aberto.up.pt/handle/10216/90503
• https://repositorio-aberto.up.pt/handle/10216/146005
• https://repositorio-aberto.up.pt/handle/10216/61990
• https://repositorio-aberto.up.pt/handle/10216/145866
• https://repositorio-aberto.up.pt/handle/10216/113133
• https://repositorio-aberto.up.pt/handle/10216/144662
• https://repositorio-aberto.up.pt/handle/10216/146049
• https://repositorio-aberto.up.pt/handle/10216/98116
• https://repositorio-aberto.up.pt/handle/10216/106257
• https://repositorio-aberto.up.pt/handle/10216/146006
• https://repositorio-aberto.up.pt/handle/10216/74482
• https://repositorio-aberto.up.pt/handle/10216/99535
• https://repositorio-aberto.up.pt/handle/10216/160098
• https://repositorio-aberto.up.pt/handle/10216/110138
• https://repositorio-aberto.up.pt/handle/10216/57002
• https://repositorio-aberto.up.pt/handle/10216/79355
• https://repositorio-aberto.up.pt/handle/10216/472
• https://repositorio-aberto.up.pt/handle/10216/82124
• https://repositorio-aberto.up.pt/handle/10216/117574
• https://repositorio-aberto.up.pt/handle/10216/105436
• https://repositorio-aberto.up.pt/handle/10216/82050
• https://repositorio-aberto.up.pt/handle/10216/77864
• https://repositorio-aberto.up.pt/handle/10216/79367
• https://repositorio-aberto.up.pt/handle/10216/124266
• https://repositorio-aberto.up.pt/handle/10216/146007
• https://repositorio-aberto.up.pt/handle/10216/142014
• https://repositorio-aberto.up.pt/handle/10216/144709
• https://repositorio-aberto.up.pt/handle/10216/98680
• https://repositorio-aberto.up.pt/handle/10216/132396
• https://repositorio-aberto.up.pt/handle/10216/66355
• https://repositorio-aberto.up.pt/handle/10216/83670
• https://repositorio-aberto.up.pt/handle/10216/115297
• https://repositorio-aberto.up.pt/handle/10216/146050
• https://repositorio-aberto.up.pt/handle/10216/92865
• https://repositorio-aberto.up.pt/handle/10216/95778
• https://repositorio-aberto.up.pt/handle/10216/113424
• https://repositorio-aberto.up.pt/handle/10216/153427
• https://repositorio-aberto.up.pt/handle/10216/118531
• https://repositorio-aberto.up.pt/handle/10216/124061
• https://repositorio-aberto.up.pt/handle/10216/124343
• https://repositorio-aberto.up.pt/handle/10216/74925
• https://repositorio-aberto.up.pt/handle/10216/132338
• https://repositorio-aberto.up.pt/handle/10216/121776
• https://repositorio-aberto.up.pt/handle/10216/89959
• https://repositorio-aberto.up.pt/handle/10216/109393
• https://repositorio-aberto.up.pt/handle/10216/594
• https://repositorio-aberto.up.pt/handle/10216/93942
• https://repositorio-aberto.up.pt/handle/10216/97749
• https://repositorio-aberto.up.pt/handle/10216/128697
• https://repositorio-aberto.up.pt/handle/10216/100811
• https://repositorio-aberto.up.pt/handle/10216/89803
• https://repositorio-aberto.up.pt/handle/10216/110537
• https://repositorio-aberto.up.pt/handle/10216/144669
• https://repositorio-aberto.up.pt/handle/10216/115907
• https://repositorio-aberto.up.pt/handle/10216/25722
• https://repositorio-aberto.up.pt/handle/10216/145948
• https://repositorio-aberto.up.pt/handle/10216/110122
• https://repositorio-aberto.up.pt/handle/10216/146009
• https://repositorio-aberto.up.pt/handle/10216/113668
• https://repositorio-aberto.up.pt/handle/10216/110151
• https://repositorio-aberto.up.pt/handle/10216/145989
• https://repositorio-aberto.up.pt/handle/10216/146008
• https://repositorio-aberto.up.pt/handle/10216/104608
• https://repositorio-aberto.up.pt/handle/10216/98378
• https://repositorio-aberto.up.pt/handle/10216/117625
• https://repositorio-aberto.up.pt/handle/10216/83270
• https://repositorio-aberto.up.pt/handle/10216/92527
• https://repositorio-aberto.up.pt/handle/10216/159950
• https://repositorio-aberto.up.pt/handle/10216/145784
• https://repositorio-aberto.up.pt/handle/10216/100194
• https://repositorio-aberto.up.pt/handle/10216/104373
• https://repositorio-aberto.up.pt/handle/10216/74337
• https://repositorio-aberto.up.pt/handle/10216/114054
• https://repositorio-aberto.up.pt/handle/10216/80316
• https://repositorio-aberto.up.pt/handle/10216/82834
• https://repositorio-aberto.up.pt/handle/10216/73450
• https://repositorio-aberto.up.pt/handle/10216/146010
• https://repositorio-aberto.up.pt/handle/10216/83212
• https://repositorio-aberto.up.pt/handle/10216/139596
• https://repositorio-aberto.up.pt/handle/10216/90773
• https://repositorio-aberto.up.pt/handle/10216/142192
• https://repositorio-aberto.up.pt/handle/10216/144613
• https://repositorio-aberto.up.pt/handle/10216/146051
• https://repositorio-aberto.up.pt/handle/10216/105249
• https://repositorio-aberto.up.pt/handle/10216/599
• https://repositorio-aberto.up.pt/handle/10216/164128
• https://repositorio-aberto.up.pt/handle/10216/86640
• https://repositorio-aberto.up.pt/handle/10216/80144
• https://repositorio-aberto.up.pt/handle/10216/146011
• https://repositorio-aberto.up.pt/handle/10216/105070
• https://repositorio-aberto.up.pt/handle/10216/147900
• https://repositorio-aberto.up.pt/handle/10216/153396
• https://repositorio-aberto.up.pt/handle/10216/63551
• https://repositorio-aberto.up.pt/handle/10216/70604
• https://repositorio-aberto.up.pt/handle/10216/101721
• https://repositorio-aberto.up.pt/handle/10216/61224
• https://repositorio-aberto.up.pt/handle/10216/94560
• https://repositorio-aberto.up.pt/handle/10216/159107
• https://repositorio-aberto.up.pt/handle/10216/128778
• https://repositorio-aberto.up.pt/handle/10216/123406
• https://repositorio-aberto.up.pt/handle/10216/67455
• https://repositorio-aberto.up.pt/handle/10216/100277
• https://repositorio-aberto.up.pt/handle/10216/14819
• https://repositorio-aberto.up.pt/handle/10216/93244
• https://repositorio-aberto.up.pt/handle/10216/128718
• https://repositorio-aberto.up.pt/handle/10216/144684
• https://repositorio-aberto.up.pt/handle/10216/109180
• https://repositorio-aberto.up.pt/handle/10216/82984
• https://repositorio-aberto.up.pt/handle/10216/25878
• https://repositorio-aberto.up.pt/handle/10216/117529
• https://repositorio-aberto.up.pt/handle/10216/90396
• https://repositorio-aberto.up.pt/handle/10216/146021
• https://repositorio-aberto.up.pt/handle/10216/21653
• https://repositorio-aberto.up.pt/handle/10216/90507
• https://repositorio-aberto.up.pt/handle/10216/114230
• https://repositorio-aberto.up.pt/handle/10216/124724
• https://repositorio-aberto.up.pt/handle/10216/108327
• https://repositorio-aberto.up.pt/handle/10216/144698
• https://repositorio-aberto.up.pt/handle/10216/95425
• https://repositorio-aberto.up.pt/handle/10216/146012
• https://repositorio-aberto.up.pt/handle/10216/108210
• https://repositorio-aberto.up.pt/handle/10216/122141
• https://repositorio-aberto.up.pt/handle/10216/97861
• https://repositorio-aberto.up.pt/handle/10216/99353
• https://repositorio-aberto.up.pt/handle/10216/78828
• https://repositorio-aberto.up.pt/handle/10216/103984
• https://repositorio-aberto.up.pt/handle/10216/14860
• https://repositorio-aberto.up.pt/handle/10216/107208
• https://repositorio-aberto.up.pt/handle/10216/104507
• https://repositorio-aberto.up.pt/handle/10216/145994
• https://repositorio-aberto.up.pt/handle/10216/114593
• https://repositorio-aberto.up.pt/handle/10216/146013
• https://repositorio-aberto.up.pt/handle/10216/56432
• https://repositorio-aberto.up.pt/handle/10216/111403
• https://repositorio-aberto.up.pt/handle/10216/104722
• https://repositorio-aberto.up.pt/handle/10216/81338
• https://repositorio-aberto.up.pt/handle/10216/86138
• https://repositorio-aberto.up.pt/handle/10216/144696
• https://repositorio-aberto.up.pt/handle/10216/126599
• https://repositorio-aberto.up.pt/handle/10216/95598
• https://repositorio-aberto.up.pt/handle/10216/145995
• https://repositorio-aberto.up.pt/handle/10216/146014
• https://repositorio-aberto.up.pt/handle/10216/71624
• https://repositorio-aberto.up.pt/handle/10216/99321
• https://repositorio-aberto.up.pt/handle/10216/132051
• https://repositorio-aberto.up.pt/handle/10216/90031
• https://repositorio-aberto.up.pt/handle/10216/155065
• https://repositorio-aberto.up.pt/handle/10216/124901
• https://repositorio-aberto.up.pt/handle/10216/144697
• https://repositorio-aberto.up.pt/handle/10216/84077
• https://repositorio-aberto.up.pt/handle/10216/110233
• https://repositorio-aberto.up.pt/handle/10216/98826
• https://repositorio-aberto.up.pt/handle/10216/128003
• https://repositorio-aberto.up.pt/handle/10216/146054
• https://repositorio-aberto.up.pt/handle/10216/25679
• https://repositorio-aberto.up.pt/handle/10216/101185
• https://repositorio-aberto.up.pt/handle/10216/83653
• https://repositorio-aberto.up.pt/handle/10216/65029
• https://repositorio-aberto.up.pt/handle/10216/107158
• https://repositorio-aberto.up.pt/handle/10216/138104
• https://repositorio-aberto.up.pt/handle/10216/117553
• https://repositorio-aberto.up.pt/handle/10216/116815
• https://repositorio-aberto.up.pt/handle/10216/152864
• https://repositorio-aberto.up.pt/handle/10216/146015
• https://repositorio-aberto.up.pt/handle/10216/112946
• https://repositorio-aberto.up.pt/handle/10216/70082
• https://repositorio-aberto.up.pt/handle/10216/144650
• https://repositorio-aberto.up.pt/handle/10216/111422
• https://repositorio-aberto.up.pt/handle/10216/146016
• https://repositorio-aberto.up.pt/handle/10216/146056
• https://repositorio-aberto.up.pt/handle/10216/131320
• https://repositorio-aberto.up.pt/handle/10216/139225
• https://repositorio-aberto.up.pt/handle/10216/97190
• https://repositorio-aberto.up.pt/handle/10216/119704
• https://repositorio-aberto.up.pt/handle/10216/128295
• https://repositorio-aberto.up.pt/handle/10216/89533
• https://repositorio-aberto.up.pt/handle/10216/145826
• https://repositorio-aberto.up.pt/handle/10216/89607
• https://repositorio-aberto.up.pt/handle/10216/67864
• https://repositorio-aberto.up.pt/handle/10216/93134
• https://repositorio-aberto.up.pt/handle/10216/81056
• https://repositorio-aberto.up.pt/handle/10216/128891
• https://repositorio-aberto.up.pt/handle/10216/50212
• https://repositorio-aberto.up.pt/handle/10216/145879
• https://repositorio-aberto.up.pt/handle/10216/144712
• https://repositorio-aberto.up.pt/handle/10216/112874
• https://repositorio-aberto.up.pt/handle/10216/117549
• https://repositorio-aberto.up.pt/handle/10216/117863
• https://repositorio-aberto.up.pt/handle/10216/138110
• https://repositorio-aberto.up.pt/handle/10216/99102
• https://repositorio-aberto.up.pt/handle/10216/142250
• https://repositorio-aberto.up.pt/handle/10216/22035
• https://repositorio-aberto.up.pt/handle/10216/145748
• https://repositorio-aberto.up.pt/handle/10216/92389
• https://repositorio-aberto.up.pt/handle/10216/111299
• https://repositorio-aberto.up.pt/handle/10216/104371
• https://repositorio-aberto.up.pt/handle/10216/94227
• https://repositorio-aberto.up.pt/handle/10216/146409
• https://repositorio-aberto.up.pt/handle/10216/125919
• https://repositorio-aberto.up.pt/handle/10216/69493
• https://repositorio-aberto.up.pt/handle/10216/144701
• https://repositorio-aberto.up.pt/handle/10216/126718
• https://repositorio-aberto.up.pt/handle/10216/100532
• https://repositorio-aberto.up.pt/handle/10216/83150
• https://repositorio-aberto.up.pt/handle/10216/88555
• https://repositorio-aberto.up.pt/handle/10216/118400
• https://repositorio-aberto.up.pt/handle/10216/143770
• https://repositorio-aberto.up.pt/handle/10216/121757
• https://repositorio-aberto.up.pt/handle/10216/145757
• https://repositorio-aberto.up.pt/handle/10216/61823
• https://repositorio-aberto.up.pt/handle/10216/105762
• https://repositorio-aberto.up.pt/handle/10216/145883
• https://repositorio-aberto.up.pt/handle/10216/15694
• https://repositorio-aberto.up.pt/handle/10216/74700
• https://repositorio-aberto.up.pt/handle/10216/103247
• https://repositorio-aberto.up.pt/handle/10216/88789
• https://repositorio-aberto.up.pt/handle/10216/144663
• https://repositorio-aberto.up.pt/handle/10216/97032
• https://repositorio-aberto.up.pt/handle/10216/144344
• https://repositorio-aberto.up.pt/handle/10216/145865
• https://repositorio-aberto.up.pt/handle/10216/99659
• https://repositorio-aberto.up.pt/handle/10216/146017
• https://repositorio-aberto.up.pt/handle/10216/134823
• https://repositorio-aberto.up.pt/handle/10216/57267
• https://repositorio-aberto.up.pt/handle/10216/129604
• https://repositorio-aberto.up.pt/handle/10216/57415
• https://repositorio-aberto.up.pt/handle/10216/128482
• https://repositorio-aberto.up.pt/handle/10216/115592
• https://repositorio-aberto.up.pt/handle/10216/54244
• https://repositorio-aberto.up.pt/handle/10216/144668
• https://repositorio-aberto.up.pt/handle/10216/113936
• https://repositorio-aberto.up.pt/handle/10216/91595
• https://repositorio-aberto.up.pt/handle/10216/84753
• https://repositorio-aberto.up.pt/handle/10216/97052
• https://repositorio-aberto.up.pt/handle/10216/145886
• https://repositorio-aberto.up.pt/handle/10216/78794
• https://repositorio-aberto.up.pt/handle/10216/142136
• https://repositorio-aberto.up.pt/handle/10216/116397
• https://repositorio-aberto.up.pt/handle/10216/158214
• https://repositorio-aberto.up.pt/handle/10216/86421
• https://repositorio-aberto.up.pt/handle/10216/130113
• https://repositorio-aberto.up.pt/handle/10216/145915
• https://repositorio-aberto.up.pt/handle/10216/71661
• https://repositorio-aberto.up.pt/handle/10216/145908
• https://repositorio-aberto.up.pt/handle/10216/83652
• https://repositorio-aberto.up.pt/handle/10216/71068
• https://repositorio-aberto.up.pt/handle/10216/90553
• https://repositorio-aberto.up.pt/handle/10216/147533
• https://repositorio-aberto.up.pt/handle/10216/145770
• https://repositorio-aberto.up.pt/handle/10216/80488
• https://repositorio-aberto.up.pt/handle/10216/116993
• https://repositorio-aberto.up.pt/handle/10216/71609
• https://repositorio-aberto.up.pt/handle/10216/84317
• https://repositorio-aberto.up.pt/handle/10216/142834
• https://repositorio-aberto.up.pt/handle/10216/23022
• https://repositorio-aberto.up.pt/handle/10216/146019
• https://repositorio-aberto.up.pt/handle/10216/112753
• https://repositorio-aberto.up.pt/handle/10216/21409
• https://repositorio-aberto.up.pt/handle/10216/170323
• https://repositorio-aberto.up.pt/handle/10216/103965
• https://repositorio-aberto.up.pt/handle/10216/104938
• https://repositorio-aberto.up.pt/handle/10216/110639
• https://repositorio-aberto.up.pt/handle/10216/146020
• https://repositorio-aberto.up.pt/handle/10216/85391
• https://repositorio-aberto.up.pt/handle/10216/85317
• https://repositorio-aberto.up.pt/handle/10216/79316
• https://repositorio-aberto.up.pt/handle/10216/92553
• https://repositorio-aberto.up.pt/handle/10216/95520
• https://repositorio-aberto.up.pt/handle/10216/68944
• https://repositorio-aberto.up.pt/handle/10216/92515
• https://repositorio-aberto.up.pt/handle/10216/161513
• https://repositorio-aberto.up.pt/handle/10216/151096
• https://repositorio-aberto.up.pt/handle/10216/146057
• https://repositorio-aberto.up.pt/handle/10216/96274
• https://repositorio-aberto.up.pt/handle/10216/20516
• https://repositorio-aberto.up.pt/handle/10216/70143
• https://repositorio-aberto.up.pt/handle/10216/109312
• https://repositorio-aberto.up.pt/handle/10216/127236
• https://repositorio-aberto.up.pt/handle/10216/142229
• https://repositorio-aberto.up.pt/handle/10216/66999
• https://repositorio-aberto.up.pt/handle/10216/100445
• https://repositorio-aberto.up.pt/handle/10216/126987
• https://repositorio-aberto.up.pt/handle/10216/144677
• https://repositorio-aberto.up.pt/handle/10216/83903
• https://repositorio-aberto.up.pt/handle/10216/118356
• https://repositorio-aberto.up.pt/handle/10216/69042
• https://repositorio-aberto.up.pt/handle/10216/146022
• https://repositorio-aberto.up.pt/handle/10216/77381
• https://repositorio-aberto.up.pt/handle/10216/14645
• https://repositorio-aberto.up.pt/handle/10216/144418
• https://repositorio-aberto.up.pt/handle/10216/130018
• https://repositorio-aberto.up.pt/handle/10216/107808
• https://repositorio-aberto.up.pt/handle/10216/109713
• https://repositorio-aberto.up.pt/handle/10216/77978
• https://repositorio-aberto.up.pt/handle/10216/87664
• https://repositorio-aberto.up.pt/handle/10216/94334
• https://repositorio-aberto.up.pt/handle/10216/104272
• https://repositorio-aberto.up.pt/handle/10216/141872
• https://repositorio-aberto.up.pt/handle/10216/86343
• https://repositorio-aberto.up.pt/handle/10216/128147
• https://repositorio-aberto.up.pt/handle/10216/60817
• https://repositorio-aberto.up.pt/handle/10216/152088
• https://repositorio-aberto.up.pt/handle/10216/144654
• https://repositorio-aberto.up.pt/handle/10216/101175
• https://repositorio-aberto.up.pt/handle/10216/145803
• https://repositorio-aberto.up.pt/handle/10216/107623
• https://repositorio-aberto.up.pt/handle/10216/147537