http://www.tdx.cat/handle/10803/84275
http://www.tdx.cat/handle/10803/31901
http://www.tdx.cat/handle/10803/124630
http://www.tdx.cat/handle/10803/124631
http://www.tdx.cat/handle/10803/7797
http://www.tdx.cat/handle/10803/3862
http://www.tdx.cat/handle/10803/8362
http://www.tdx.cat/handle/10803/5756
http://www.tdx.cat/handle/10803/3856
http://www.tdx.cat/handle/10803/128661
http://www.tdx.cat/handle/10803/4942
http://www.tdx.cat/handle/10803/3860
http://www.tdx.cat/handle/10803/116205
http://www.tdx.cat/handle/10803/7596
http://www.tdx.cat/handle/10803/129674
http://www.tdx.cat/handle/10803/276192
http://www.tdx.cat/handle/10803/134826
http://www.tdx.cat/handle/10803/5201
http://www.tdx.cat/handle/10803/4003
http://www.tdx.cat/handle/10803/3944
http://www.tdx.cat/handle/10803/3964
http://www.tdx.cat/handle/10803/3630
http://www.tdx.cat/handle/10803/5203
http://www.tdx.cat/handle/10803/3851
http://www.tdx.cat/handle/10803/3857
http://www.tdx.cat/handle/10803/3880
http://www.tdx.cat/handle/10803/4364
http://www.tdx.cat/handle/10803/4420
http://www.tdx.cat/handle/10803/4431
http://www.tdx.cat/handle/10803/4432
http://www.tdx.cat/handle/10803/10525
http://www.tdx.cat/handle/10803/4435
http://www.tdx.cat/handle/10803/4436
http://www.tdx.cat/handle/10803/4445
http://www.tdx.cat/handle/10803/4478
http://www.tdx.cat/handle/10803/5319
http://www.tdx.cat/handle/10803/4164
http://www.tdx.cat/handle/10803/4197
http://www.tdx.cat/handle/10803/124633
http://www.tdx.cat/handle/10803/134766
http://www.tdx.cat/handle/10803/129172
http://www.tdx.cat/handle/10803/128962
http://www.tdx.cat/handle/10803/4465
http://www.tdx.cat/handle/10803/134882
http://www.tdx.cat/handle/10803/129635
http://www.tdx.cat/handle/10803/280828
http://www.tdx.cat/handle/10803/276193
http://www.tdx.cat/handle/10803/276194
http://www.tdx.cat/handle/10803/280829
http://www.tdx.cat/handle/10803/144623
http://www.tdx.cat/handle/10803/144707
http://www.tdx.cat/handle/10803/144656
http://www.tdx.cat/handle/10803/6495
http://www.tdx.cat/handle/10803/22676
http://www.tdx.cat/handle/10803/50996
http://www.tdx.cat/handle/10803/31968
http://www.tdx.cat/handle/10803/134986
http://www.tdx.cat/handle/10803/114645
http://www.tdx.cat/handle/10803/84276
http://www.tdx.cat/handle/10803/47442
http://www.tdx.cat/handle/10803/114646
http://www.tdx.cat/handle/10803/356264
http://www.tdx.cat/handle/10803/4733
http://www.tdx.cat/handle/10803/11125
http://www.tdx.cat/handle/10803/11126
http://www.tdx.cat/handle/10803/11127
http://www.tdx.cat/handle/10803/8396
http://www.tdx.cat/handle/10803/11130
http://www.tdx.cat/handle/10803/95943
http://www.tdx.cat/handle/10803/78128
http://www.tdx.cat/handle/10803/11135
http://www.tdx.cat/handle/10803/11136
http://www.tdx.cat/handle/10803/5757
http://www.tdx.cat/handle/10803/117350
http://www.tdx.cat/handle/10803/2006
http://www.tdx.cat/handle/10803/2009
http://www.tdx.cat/handle/10803/8399
http://www.tdx.cat/handle/10803/11137
http://www.tdx.cat/handle/10803/11138
http://www.tdx.cat/handle/10803/11139
http://www.tdx.cat/handle/10803/11140
http://www.tdx.cat/handle/10803/11151
http://www.tdx.cat/handle/10803/8729
http://www.tdx.cat/handle/10803/134828
http://www.tdx.cat/handle/10803/11152
http://www.tdx.cat/handle/10803/11153
http://www.tdx.cat/handle/10803/11154
http://www.tdx.cat/handle/10803/11159
http://www.tdx.cat/handle/10803/6019
http://www.tdx.cat/handle/10803/117211
http://www.tdx.cat/handle/10803/3945
http://www.tdx.cat/handle/10803/10873
http://www.tdx.cat/handle/10803/10842
http://www.tdx.cat/handle/10803/31870
http://www.tdx.cat/handle/10803/39079
http://www.tdx.cat/handle/10803/114647
http://www.tdx.cat/handle/10803/124635
http://www.tdx.cat/handle/10803/16117
http://www.tdx.cat/handle/10803/134884
http://www.tdx.cat/handle/10803/63185
http://www.tdx.cat/handle/10803/276195
http://www.tdx.cat/handle/10803/124637
http://www.tdx.cat/handle/10803/5412
http://www.tdx.cat/handle/10803/124638
http://www.tdx.cat/handle/10803/3168
http://www.tdx.cat/handle/10803/124639
http://www.tdx.cat/handle/10803/83930
http://www.tdx.cat/handle/10803/84001
http://www.tdx.cat/handle/10803/84277
http://www.tdx.cat/handle/10803/124640
http://www.tdx.cat/handle/10803/109390
http://www.tdx.cat/handle/10803/97347
http://www.tdx.cat/handle/10803/96790
http://www.tdx.cat/handle/10803/3473
http://www.tdx.cat/handle/10803/3635
http://www.tdx.cat/handle/10803/4957
http://www.tdx.cat/handle/10803/4470
http://www.tdx.cat/handle/10803/96362
http://www.tdx.cat/handle/10803/32092
http://www.tdx.cat/handle/10803/134935
http://www.tdx.cat/handle/10803/50999
http://www.tdx.cat/handle/10803/96819
http://www.tdx.cat/handle/10803/134769
http://www.tdx.cat/handle/10803/4730
http://www.tdx.cat/handle/10803/4732
http://www.tdx.cat/handle/10803/4734
http://www.tdx.cat/handle/10803/5414
http://www.tdx.cat/handle/10803/5478
http://www.tdx.cat/handle/10803/4398
http://www.tdx.cat/handle/10803/84005
http://www.tdx.cat/handle/10803/4479
http://www.tdx.cat/handle/10803/80718
http://www.tdx.cat/handle/10803/3850
http://www.tdx.cat/handle/10803/144552
http://www.tdx.cat/handle/10803/4430
http://www.tdx.cat/handle/10803/356265
http://www.tdx.cat/handle/10803/5479
http://www.tdx.cat/handle/10803/96823
http://www.tdx.cat/handle/10803/96522
http://www.tdx.cat/handle/10803/145375
http://www.tdx.cat/handle/10803/84015
http://www.tdx.cat/handle/10803/83992
http://www.tdx.cat/handle/10803/83970
http://www.tdx.cat/handle/10803/96309
http://www.tdx.cat/handle/10803/32156
http://www.tdx.cat/handle/10803/145591
http://www.tdx.cat/handle/10803/32124
http://www.tdx.cat/handle/10803/3115
http://www.tdx.cat/handle/10803/3116
http://www.tdx.cat/handle/10803/96428
http://www.tdx.cat/handle/10803/3173
http://www.tdx.cat/handle/10803/3174
http://www.tdx.cat/handle/10803/124641
http://www.tdx.cat/handle/10803/145865
http://www.tdx.cat/handle/10803/96174
http://www.tdx.cat/handle/10803/124643
http://www.tdx.cat/handle/10803/135056
http://www.tdx.cat/handle/10803/276179
http://www.tdx.cat/handle/10803/280831
http://www.tdx.cat/handle/10803/144708
http://www.tdx.cat/handle/10803/128201
http://www.tdx.cat/handle/10803/144754
http://www.tdx.cat/handle/10803/276176
http://www.tdx.cat/handle/10803/280832
http://www.tdx.cat/handle/10803/135058
http://www.tdx.cat/handle/10803/144933
http://www.tdx.cat/handle/10803/4557
http://www.tdx.cat/handle/10803/4521
http://www.tdx.cat/handle/10803/22728
http://www.tdx.cat/handle/10803/11086
http://www.tdx.cat/handle/10803/11087
http://www.tdx.cat/handle/10803/9200
http://www.tdx.cat/handle/10803/84278
http://www.tdx.cat/handle/10803/6018
http://www.tdx.cat/handle/10803/4085
http://www.tdx.cat/handle/10803/4027
http://www.tdx.cat/handle/10803/4028
http://www.tdx.cat/handle/10803/2064
http://www.tdx.cat/handle/10803/4687
http://www.tdx.cat/handle/10803/128663
http://www.tdx.cat/handle/10803/8749
http://www.tdx.cat/handle/10803/5208
http://www.tdx.cat/handle/10803/104319
http://www.tdx.cat/handle/10803/11088
http://www.tdx.cat/handle/10803/11089
http://www.tdx.cat/handle/10803/11092
http://www.tdx.cat/handle/10803/11093
http://www.tdx.cat/handle/10803/11090
http://www.tdx.cat/handle/10803/11096
http://www.tdx.cat/handle/10803/11097
http://www.tdx.cat/handle/10803/11098
http://www.tdx.cat/handle/10803/11099
http://www.tdx.cat/handle/10803/11100
http://www.tdx.cat/handle/10803/22727
http://www.tdx.cat/handle/10803/11103
http://www.tdx.cat/handle/10803/91067
http://www.tdx.cat/handle/10803/11148
http://www.tdx.cat/handle/10803/11105
http://www.tdx.cat/handle/10803/11106
http://www.tdx.cat/handle/10803/11107
http://www.tdx.cat/handle/10803/11109
http://www.tdx.cat/handle/10803/84279
http://www.tdx.cat/handle/10803/11110
http://www.tdx.cat/handle/10803/2066
http://www.tdx.cat/handle/10803/11111
http://www.tdx.cat/handle/10803/81355
http://www.tdx.cat/handle/10803/11112
http://www.tdx.cat/handle/10803/11113
http://www.tdx.cat/handle/10803/31861
http://www.tdx.cat/handle/10803/11114
http://www.tdx.cat/handle/10803/114648
http://www.tdx.cat/handle/10803/11115
http://www.tdx.cat/handle/10803/11116
http://www.tdx.cat/handle/10803/104353
http://www.tdx.cat/handle/10803/11129
http://www.tdx.cat/handle/10803/11133
http://www.tdx.cat/handle/10803/11142
http://www.tdx.cat/handle/10803/11143
http://www.tdx.cat/handle/10803/11144
http://www.tdx.cat/handle/10803/11145
http://www.tdx.cat/handle/10803/11146
http://www.tdx.cat/handle/10803/11147
http://www.tdx.cat/handle/10803/11150
http://www.tdx.cat/handle/10803/84280
http://www.tdx.cat/handle/10803/11155
http://www.tdx.cat/handle/10803/11156
http://www.tdx.cat/handle/10803/11157
http://www.tdx.cat/handle/10803/11158
http://www.tdx.cat/handle/10803/11160
http://www.tdx.cat/handle/10803/11161
http://www.tdx.cat/handle/10803/11149
http://www.tdx.cat/handle/10803/31921
http://www.tdx.cat/handle/10803/124647
http://www.tdx.cat/handle/10803/134885
http://www.tdx.cat/handle/10803/117275
http://www.tdx.cat/handle/10803/121247
http://www.tdx.cat/handle/10803/121243
http://www.tdx.cat/handle/10803/11095
http://www.tdx.cat/handle/10803/121469
http://www.tdx.cat/handle/10803/121241
http://www.tdx.cat/handle/10803/5216
http://www.tdx.cat/handle/10803/121242
http://www.tdx.cat/handle/10803/4696
http://www.tdx.cat/handle/10803/145863
http://www.tdx.cat/handle/10803/84281
http://www.tdx.cat/handle/10803/5218
http://www.tdx.cat/handle/10803/117301
http://www.tdx.cat/handle/10803/104366
http://www.tdx.cat/handle/10803/128801
http://www.tdx.cat/handle/10803/104376
http://www.tdx.cat/handle/10803/114649
http://www.tdx.cat/handle/10803/11091
http://www.tdx.cat/handle/10803/104403
http://www.tdx.cat/handle/10803/5110
http://www.tdx.cat/handle/10803/276184
http://www.tdx.cat/handle/10803/4576
http://www.tdx.cat/handle/10803/31859
http://www.tdx.cat/handle/10803/280833
http://www.tdx.cat/handle/10803/96867
http://www.tdx.cat/handle/10803/108174
http://www.tdx.cat/handle/10803/124651
http://www.tdx.cat/handle/10803/121244
http://www.tdx.cat/handle/10803/134962
http://www.tdx.cat/handle/10803/124652
http://www.tdx.cat/handle/10803/71593
http://www.tdx.cat/handle/10803/134803
http://www.tdx.cat/handle/10803/124653
http://www.tdx.cat/handle/10803/276168
http://www.tdx.cat/handle/10803/84282
http://www.tdx.cat/handle/10803/276166
http://www.tdx.cat/handle/10803/109391
http://www.tdx.cat/handle/10803/276170
http://www.tdx.cat/handle/10803/114650
http://www.tdx.cat/handle/10803/356266
http://www.tdx.cat/handle/10803/280834
http://www.tdx.cat/handle/10803/109392
http://www.tdx.cat/handle/10803/114651
http://www.tdx.cat/handle/10803/116550
http://www.tdx.cat/handle/10803/124654
http://www.tdx.cat/handle/10803/144710
http://www.tdx.cat/handle/10803/276175
http://www.tdx.cat/handle/10803/276165
http://www.tdx.cat/handle/10803/276180
http://www.tdx.cat/handle/10803/82062
http://www.tdx.cat/handle/10803/280835
http://www.tdx.cat/handle/10803/276164
http://www.tdx.cat/handle/10803/145245
http://www.tdx.cat/handle/10803/7147
http://www.tdx.cat/handle/10803/48658
http://www.tdx.cat/handle/10803/32129
http://www.tdx.cat/handle/10803/3017
http://www.tdx.cat/handle/10803/128664
http://www.tdx.cat/handle/10803/5809
http://www.tdx.cat/handle/10803/10734
http://www.tdx.cat/handle/10803/10738
http://www.tdx.cat/handle/10803/6016
http://www.tdx.cat/handle/10803/84284
http://www.tdx.cat/handle/10803/6978
http://www.tdx.cat/handle/10803/276182
http://www.tdx.cat/handle/10803/95813
http://www.tdx.cat/handle/10803/117257
http://www.tdx.cat/handle/10803/10780
http://www.tdx.cat/handle/10803/7387
http://www.tdx.cat/handle/10803/7109
http://www.tdx.cat/handle/10803/10781
http://www.tdx.cat/handle/10803/10790
http://www.tdx.cat/handle/10803/124656
http://www.tdx.cat/handle/10803/22712
http://www.tdx.cat/handle/10803/32201
http://www.tdx.cat/handle/10803/10791
http://www.tdx.cat/handle/10803/10792
http://www.tdx.cat/handle/10803/10793
http://www.tdx.cat/handle/10803/10794
http://www.tdx.cat/handle/10803/10795
http://www.tdx.cat/handle/10803/145373
http://www.tdx.cat/handle/10803/10796
http://www.tdx.cat/handle/10803/10798
http://www.tdx.cat/handle/10803/10799
http://www.tdx.cat/handle/10803/10800
http://www.tdx.cat/handle/10803/10802
http://www.tdx.cat/handle/10803/10804
http://www.tdx.cat/handle/10803/10805
http://www.tdx.cat/handle/10803/10809
http://www.tdx.cat/handle/10803/10810
http://www.tdx.cat/handle/10803/10811
http://www.tdx.cat/handle/10803/10812
http://www.tdx.cat/handle/10803/10815
http://www.tdx.cat/handle/10803/10816
http://www.tdx.cat/handle/10803/10818
http://www.tdx.cat/handle/10803/10819
http://www.tdx.cat/handle/10803/10820
http://www.tdx.cat/handle/10803/114652
http://www.tdx.cat/handle/10803/10821
http://www.tdx.cat/handle/10803/10987
http://www.tdx.cat/handle/10803/132847
http://www.tdx.cat/handle/10803/3062
http://www.tdx.cat/handle/10803/4232
http://www.tdx.cat/handle/10803/4095
http://www.tdx.cat/handle/10803/98410
http://www.tdx.cat/handle/10803/4100
http://www.tdx.cat/handle/10803/33132
http://www.tdx.cat/handle/10803/4102
http://www.tdx.cat/handle/10803/5234
http://www.tdx.cat/handle/10803/5235
http://www.tdx.cat/handle/10803/4885
http://www.tdx.cat/handle/10803/4654
http://www.tdx.cat/handle/10803/83982
http://www.tdx.cat/handle/10803/134886
http://www.tdx.cat/handle/10803/5105
http://www.tdx.cat/handle/10803/5106
http://www.tdx.cat/handle/10803/81120
http://www.tdx.cat/handle/10803/79140
http://www.tdx.cat/handle/10803/79096
http://www.tdx.cat/handle/10803/280836
http://www.tdx.cat/handle/10803/96486
http://www.tdx.cat/handle/10803/96230
http://www.tdx.cat/handle/10803/79143
http://www.tdx.cat/handle/10803/48716
http://www.tdx.cat/handle/10803/145972
http://www.tdx.cat/handle/10803/134829
http://www.tdx.cat/handle/10803/129410
http://www.tdx.cat/handle/10803/145592
http://www.tdx.cat/handle/10803/132848
http://www.tdx.cat/handle/10803/128934
http://www.tdx.cat/handle/10803/146131
http://www.tdx.cat/handle/10803/128948
http://www.tdx.cat/handle/10803/48649
http://www.tdx.cat/handle/10803/10801
http://www.tdx.cat/handle/10803/5103
http://www.tdx.cat/handle/10803/77755
http://www.tdx.cat/handle/10803/48533
http://www.tdx.cat/handle/10803/128935
http://www.tdx.cat/handle/10803/276162
http://www.tdx.cat/handle/10803/116202
http://www.tdx.cat/handle/10803/5104
http://www.tdx.cat/handle/10803/280837
http://www.tdx.cat/handle/10803/10797
http://www.tdx.cat/handle/10803/5226
http://www.tdx.cat/handle/10803/10813
http://www.tdx.cat/handle/10803/10778
http://www.tdx.cat/handle/10803/3644
http://www.tdx.cat/handle/10803/32082
http://www.tdx.cat/handle/10803/10777
http://www.tdx.cat/handle/10803/121245
http://www.tdx.cat/handle/10803/124662
http://www.tdx.cat/handle/10803/134804
http://www.tdx.cat/handle/10803/124663
http://www.tdx.cat/handle/10803/96809
http://www.tdx.cat/handle/10803/4098
http://www.tdx.cat/handle/10803/276163
http://www.tdx.cat/handle/10803/124665
http://www.tdx.cat/handle/10803/129399
http://www.tdx.cat/handle/10803/124666
http://www.tdx.cat/handle/10803/135005
http://www.tdx.cat/handle/10803/124667
http://www.tdx.cat/handle/10803/5192
http://www.tdx.cat/handle/10803/276183
http://www.tdx.cat/handle/10803/280838
http://www.tdx.cat/handle/10803/129514
http://www.tdx.cat/handle/10803/144755
http://www.tdx.cat/handle/10803/43696
http://www.tdx.cat/handle/10803/129453
http://www.tdx.cat/handle/10803/276174
http://www.tdx.cat/handle/10803/129457
http://www.tdx.cat/handle/10803/135057
http://www.tdx.cat/handle/10803/128798
http://www.tdx.cat/handle/10803/117606
http://www.tdx.cat/handle/10803/10913
http://www.tdx.cat/handle/10803/10760
http://www.tdx.cat/handle/10803/117529
http://www.tdx.cat/handle/10803/22709
http://www.tdx.cat/handle/10803/96095
http://www.tdx.cat/handle/10803/10823
http://www.tdx.cat/handle/10803/10868
http://www.tdx.cat/handle/10803/4030
http://www.tdx.cat/handle/10803/5342
http://www.tdx.cat/handle/10803/3806
http://www.tdx.cat/handle/10803/3807
http://www.tdx.cat/handle/10803/3502
http://www.tdx.cat/handle/10803/3118
http://www.tdx.cat/handle/10803/3122
http://www.tdx.cat/handle/10803/10824
http://www.tdx.cat/handle/10803/10825
http://www.tdx.cat/handle/10803/10826
http://www.tdx.cat/handle/10803/10827
http://www.tdx.cat/handle/10803/10828
http://www.tdx.cat/handle/10803/10829
http://www.tdx.cat/handle/10803/10830
http://www.tdx.cat/handle/10803/10831
http://www.tdx.cat/handle/10803/10832
http://www.tdx.cat/handle/10803/10833
http://www.tdx.cat/handle/10803/10834
http://www.tdx.cat/handle/10803/10835
http://www.tdx.cat/handle/10803/114653
http://www.tdx.cat/handle/10803/10836
http://www.tdx.cat/handle/10803/10838
http://www.tdx.cat/handle/10803/10839
http://www.tdx.cat/handle/10803/10851
http://www.tdx.cat/handle/10803/10852
http://www.tdx.cat/handle/10803/10853
http://www.tdx.cat/handle/10803/10854
http://www.tdx.cat/handle/10803/10855
http://www.tdx.cat/handle/10803/10856
http://www.tdx.cat/handle/10803/10858
http://www.tdx.cat/handle/10803/10859
http://www.tdx.cat/handle/10803/2449
http://www.tdx.cat/handle/10803/7238
http://www.tdx.cat/handle/10803/10861
http://www.tdx.cat/handle/10803/10862
http://www.tdx.cat/handle/10803/5965
http://www.tdx.cat/handle/10803/5970
http://www.tdx.cat/handle/10803/10863
http://www.tdx.cat/handle/10803/5974
http://www.tdx.cat/handle/10803/5978
http://www.tdx.cat/handle/10803/10864
http://www.tdx.cat/handle/10803/10866
http://www.tdx.cat/handle/10803/10867
http://www.tdx.cat/handle/10803/10870
http://www.tdx.cat/handle/10803/10872
http://www.tdx.cat/handle/10803/10874
http://www.tdx.cat/handle/10803/7276
http://www.tdx.cat/handle/10803/10846
http://www.tdx.cat/handle/10803/4132
http://www.tdx.cat/handle/10803/10848
http://www.tdx.cat/handle/10803/5022
http://www.tdx.cat/handle/10803/10849
http://www.tdx.cat/handle/10803/10876
http://www.tdx.cat/handle/10803/280839
http://www.tdx.cat/handle/10803/10877
http://www.tdx.cat/handle/10803/10857
http://www.tdx.cat/handle/10803/10837
http://www.tdx.cat/handle/10803/38432
http://www.tdx.cat/handle/10803/117256
http://www.tdx.cat/handle/10803/10887
http://www.tdx.cat/handle/10803/10888
http://www.tdx.cat/handle/10803/10889
http://www.tdx.cat/handle/10803/51503
http://www.tdx.cat/handle/10803/10892
http://www.tdx.cat/handle/10803/10893
http://www.tdx.cat/handle/10803/10895
http://www.tdx.cat/handle/10803/10896
http://www.tdx.cat/handle/10803/10897
http://www.tdx.cat/handle/10803/10898
http://www.tdx.cat/handle/10803/10899
http://www.tdx.cat/handle/10803/10900
http://www.tdx.cat/handle/10803/42942
http://www.tdx.cat/handle/10803/10881
http://www.tdx.cat/handle/10803/10882
http://www.tdx.cat/handle/10803/10883
http://www.tdx.cat/handle/10803/10884
http://www.tdx.cat/handle/10803/10885
http://www.tdx.cat/handle/10803/82145
http://www.tdx.cat/handle/10803/38248
http://www.tdx.cat/handle/10803/10903
http://www.tdx.cat/handle/10803/10906
http://www.tdx.cat/handle/10803/10907
http://www.tdx.cat/handle/10803/10908
http://www.tdx.cat/handle/10803/10909
http://www.tdx.cat/handle/10803/10910
http://www.tdx.cat/handle/10803/10911
http://www.tdx.cat/handle/10803/10912
http://www.tdx.cat/handle/10803/117212
http://www.tdx.cat/handle/10803/10914
http://www.tdx.cat/handle/10803/10915
http://www.tdx.cat/handle/10803/129295
http://www.tdx.cat/handle/10803/117439
http://www.tdx.cat/handle/10803/128804
http://www.tdx.cat/handle/10803/10904
http://www.tdx.cat/handle/10803/289546
http://www.tdx.cat/handle/10803/5971
http://www.tdx.cat/handle/10803/129321
http://www.tdx.cat/handle/10803/117434
http://www.tdx.cat/handle/10803/10865
http://www.tdx.cat/handle/10803/276178