http://addi.ehu.es/handle/10810/11711
http://addi.ehu.es/handle/10810/11917
http://addi.ehu.es/handle/10810/11878
http://addi.ehu.es/handle/10810/11879
http://addi.ehu.es/handle/10810/11880
http://addi.ehu.es/handle/10810/11882
http://addi.ehu.es/handle/10810/11883
http://addi.ehu.es/handle/10810/11884
http://addi.ehu.es/handle/10810/11886
http://addi.ehu.es/handle/10810/11887
http://addi.ehu.es/handle/10810/12220
http://addi.ehu.es/handle/10810/12222
http://addi.ehu.es/handle/10810/12223
http://addi.ehu.es/handle/10810/12239
http://addi.ehu.es/handle/10810/12240
http://addi.ehu.es/handle/10810/12338
http://addi.ehu.es/handle/10810/12481
http://addi.ehu.es/handle/10810/12244
http://addi.ehu.es/handle/10810/12243
http://addi.ehu.es/handle/10810/12245
http://addi.ehu.es/handle/10810/12250
http://addi.ehu.es/handle/10810/12253
http://addi.ehu.es/handle/10810/12256
http://addi.ehu.es/handle/10810/12268
http://addi.ehu.es/handle/10810/12274
http://addi.ehu.es/handle/10810/12275
http://addi.ehu.es/handle/10810/12279
http://addi.ehu.es/handle/10810/12280
http://addi.ehu.es/handle/10810/12281
http://addi.ehu.es/handle/10810/12282
http://addi.ehu.es/handle/10810/12417
http://addi.ehu.es/handle/10810/12418
http://addi.ehu.es/handle/10810/12419
http://addi.ehu.es/handle/10810/12423
http://addi.ehu.es/handle/10810/12425
http://addi.ehu.es/handle/10810/12426
http://addi.ehu.es/handle/10810/12430
http://addi.ehu.es/handle/10810/12431
http://addi.ehu.es/handle/10810/12432
http://addi.ehu.es/handle/10810/12433
http://addi.ehu.es/handle/10810/12440
http://addi.ehu.es/handle/10810/12441
http://addi.ehu.es/handle/10810/12445
http://addi.ehu.es/handle/10810/13405
http://addi.ehu.es/handle/10810/11366
http://addi.ehu.es/handle/10810/11253
http://addi.ehu.es/handle/10810/11154
http://addi.ehu.es/handle/10810/11153
http://addi.ehu.es/handle/10810/11185
http://addi.ehu.es/handle/10810/11180
http://addi.ehu.es/handle/10810/11181
http://addi.ehu.es/handle/10810/11182
http://addi.ehu.es/handle/10810/11183
http://addi.ehu.es/handle/10810/11184
http://addi.ehu.es/handle/10810/11212
http://addi.ehu.es/handle/10810/11228
http://addi.ehu.es/handle/10810/11213
http://addi.ehu.es/handle/10810/11219
http://addi.ehu.es/handle/10810/11322
http://addi.ehu.es/handle/10810/11335
http://addi.ehu.es/handle/10810/11336
http://addi.ehu.es/handle/10810/11338
http://addi.ehu.es/handle/10810/11342
http://addi.ehu.es/handle/10810/11364
http://addi.ehu.es/handle/10810/11355
http://addi.ehu.es/handle/10810/11382
http://addi.ehu.es/handle/10810/11418
http://addi.ehu.es/handle/10810/11411
http://addi.ehu.es/handle/10810/11513
http://addi.ehu.es/handle/10810/11519
http://addi.ehu.es/handle/10810/11535
http://addi.ehu.es/handle/10810/11514
http://addi.ehu.es/handle/10810/11515
http://addi.ehu.es/handle/10810/11516
http://addi.ehu.es/handle/10810/11540
http://addi.ehu.es/handle/10810/11517
http://addi.ehu.es/handle/10810/20814
http://addi.ehu.es/handle/10810/11538
http://addi.ehu.es/handle/10810/11539
http://addi.ehu.es/handle/10810/11586
http://addi.ehu.es/handle/10810/11587
http://addi.ehu.es/handle/10810/11589
http://addi.ehu.es/handle/10810/11899
http://addi.ehu.es/handle/10810/11702
http://addi.ehu.es/handle/10810/11703
http://addi.ehu.es/handle/10810/11708
http://addi.ehu.es/handle/10810/11719
http://addi.ehu.es/handle/10810/11720
http://addi.ehu.es/handle/10810/11721
http://addi.ehu.es/handle/10810/11743
http://addi.ehu.es/handle/10810/11747
http://addi.ehu.es/handle/10810/11898
http://addi.ehu.es/handle/10810/11900
http://addi.ehu.es/handle/10810/11910
http://addi.ehu.es/handle/10810/11919
http://addi.ehu.es/handle/10810/11938
http://addi.ehu.es/handle/10810/12484
http://addi.ehu.es/handle/10810/12490
http://addi.ehu.es/handle/10810/12486
http://addi.ehu.es/handle/10810/12487
http://addi.ehu.es/handle/10810/12491
http://addi.ehu.es/handle/10810/19633
http://addi.ehu.es/handle/10810/12421
http://addi.ehu.es/handle/10810/12422
http://addi.ehu.es/handle/10810/20764
http://addi.ehu.es/handle/10810/12541
http://addi.ehu.es/handle/10810/12543
http://addi.ehu.es/handle/10810/12557
http://addi.ehu.es/handle/10810/12558
http://addi.ehu.es/handle/10810/12559
http://addi.ehu.es/handle/10810/12560
http://addi.ehu.es/handle/10810/12637
http://addi.ehu.es/handle/10810/20777
http://addi.ehu.es/handle/10810/12657
http://addi.ehu.es/handle/10810/20780
http://addi.ehu.es/handle/10810/12717
http://addi.ehu.es/handle/10810/20810
http://addi.ehu.es/handle/10810/20812
http://addi.ehu.es/handle/10810/12858
http://addi.ehu.es/handle/10810/10913
http://addi.ehu.es/handle/10810/11022
http://addi.ehu.es/handle/10810/11186
http://addi.ehu.es/handle/10810/11191
http://addi.ehu.es/handle/10810/11220
http://addi.ehu.es/handle/10810/11222
http://addi.ehu.es/handle/10810/11223
http://addi.ehu.es/handle/10810/11230
http://addi.ehu.es/handle/10810/11695
http://addi.ehu.es/handle/10810/11239
http://addi.ehu.es/handle/10810/11240
http://addi.ehu.es/handle/10810/11241
http://addi.ehu.es/handle/10810/11232
http://addi.ehu.es/handle/10810/11229
http://addi.ehu.es/handle/10810/11231
http://addi.ehu.es/handle/10810/11277
http://addi.ehu.es/handle/10810/11278
http://addi.ehu.es/handle/10810/11284
http://addi.ehu.es/handle/10810/11286
http://addi.ehu.es/handle/10810/11289
http://addi.ehu.es/handle/10810/11288
http://addi.ehu.es/handle/10810/11290
http://addi.ehu.es/handle/10810/11332
http://addi.ehu.es/handle/10810/11333
http://addi.ehu.es/handle/10810/11334
http://addi.ehu.es/handle/10810/11337
http://addi.ehu.es/handle/10810/11340
http://addi.ehu.es/handle/10810/11341
http://addi.ehu.es/handle/10810/11357
http://addi.ehu.es/handle/10810/11358
http://addi.ehu.es/handle/10810/11360
http://addi.ehu.es/handle/10810/11385
http://addi.ehu.es/handle/10810/11361
http://addi.ehu.es/handle/10810/11368
http://addi.ehu.es/handle/10810/11387
http://addi.ehu.es/handle/10810/11386
http://addi.ehu.es/handle/10810/11388
http://addi.ehu.es/handle/10810/11390
http://addi.ehu.es/handle/10810/11470
http://addi.ehu.es/handle/10810/11391
http://addi.ehu.es/handle/10810/11417
http://addi.ehu.es/handle/10810/11430
http://addi.ehu.es/handle/10810/11518
http://addi.ehu.es/handle/10810/11473
http://addi.ehu.es/handle/10810/11431
http://addi.ehu.es/handle/10810/11533
http://addi.ehu.es/handle/10810/11534
http://addi.ehu.es/handle/10810/11536
http://addi.ehu.es/handle/10810/11537
http://addi.ehu.es/handle/10810/11583
http://addi.ehu.es/handle/10810/11584
http://addi.ehu.es/handle/10810/11585
http://addi.ehu.es/handle/10810/11592
http://addi.ehu.es/handle/10810/11591
http://addi.ehu.es/handle/10810/11594
http://addi.ehu.es/handle/10810/11597
http://addi.ehu.es/handle/10810/11598
http://addi.ehu.es/handle/10810/11600
http://addi.ehu.es/handle/10810/11644
http://addi.ehu.es/handle/10810/11684
http://addi.ehu.es/handle/10810/11645
http://addi.ehu.es/handle/10810/11648
http://addi.ehu.es/handle/10810/11691
http://addi.ehu.es/handle/10810/13097
http://addi.ehu.es/handle/10810/11699
http://addi.ehu.es/handle/10810/11700
http://addi.ehu.es/handle/10810/11713
http://addi.ehu.es/handle/10810/11746
http://addi.ehu.es/handle/10810/11751
http://addi.ehu.es/handle/10810/11758
http://addi.ehu.es/handle/10810/11752
http://addi.ehu.es/handle/10810/11820
http://addi.ehu.es/handle/10810/11852
http://addi.ehu.es/handle/10810/11853
http://addi.ehu.es/handle/10810/11855
http://addi.ehu.es/handle/10810/11856
http://addi.ehu.es/handle/10810/11858
http://addi.ehu.es/handle/10810/11863
http://addi.ehu.es/handle/10810/11862
http://addi.ehu.es/handle/10810/11864
http://addi.ehu.es/handle/10810/11865
http://addi.ehu.es/handle/10810/11868
http://addi.ehu.es/handle/10810/11871
http://addi.ehu.es/handle/10810/11874
http://addi.ehu.es/handle/10810/11872
http://addi.ehu.es/handle/10810/11873
http://addi.ehu.es/handle/10810/11875
http://addi.ehu.es/handle/10810/11876
http://addi.ehu.es/handle/10810/18533
http://addi.ehu.es/handle/10810/11907
http://addi.ehu.es/handle/10810/11920
http://addi.ehu.es/handle/10810/11921
http://addi.ehu.es/handle/10810/11922
http://addi.ehu.es/handle/10810/11940
http://addi.ehu.es/handle/10810/11937
http://addi.ehu.es/handle/10810/11939
http://addi.ehu.es/handle/10810/11957
http://addi.ehu.es/handle/10810/11978
http://addi.ehu.es/handle/10810/12018
http://addi.ehu.es/handle/10810/12492
http://addi.ehu.es/handle/10810/18525
http://addi.ehu.es/handle/10810/18689
http://addi.ehu.es/handle/10810/12057
http://addi.ehu.es/handle/10810/12058
http://addi.ehu.es/handle/10810/22785
http://addi.ehu.es/handle/10810/12141
http://addi.ehu.es/handle/10810/12117
http://addi.ehu.es/handle/10810/12137
http://addi.ehu.es/handle/10810/12138
http://addi.ehu.es/handle/10810/12157
http://addi.ehu.es/handle/10810/12158
http://addi.ehu.es/handle/10810/12159
http://addi.ehu.es/handle/10810/12160
http://addi.ehu.es/handle/10810/12161
http://addi.ehu.es/handle/10810/12162
http://addi.ehu.es/handle/10810/12177
http://addi.ehu.es/handle/10810/12178
http://addi.ehu.es/handle/10810/12179
http://addi.ehu.es/handle/10810/12180
http://addi.ehu.es/handle/10810/12181
http://addi.ehu.es/handle/10810/12182
http://addi.ehu.es/handle/10810/12183
http://addi.ehu.es/handle/10810/12257
http://addi.ehu.es/handle/10810/12185
http://addi.ehu.es/handle/10810/12186
http://addi.ehu.es/handle/10810/12219
http://addi.ehu.es/handle/10810/12200
http://addi.ehu.es/handle/10810/12201
http://addi.ehu.es/handle/10810/12206
http://addi.ehu.es/handle/10810/12207
http://addi.ehu.es/handle/10810/12209
http://addi.ehu.es/handle/10810/12249
http://addi.ehu.es/handle/10810/12210
http://addi.ehu.es/handle/10810/12212
http://addi.ehu.es/handle/10810/12213
http://addi.ehu.es/handle/10810/12218
http://addi.ehu.es/handle/10810/12217
http://addi.ehu.es/handle/10810/12237
http://addi.ehu.es/handle/10810/12238
http://addi.ehu.es/handle/10810/12247
http://addi.ehu.es/handle/10810/12248
http://addi.ehu.es/handle/10810/12246
http://addi.ehu.es/handle/10810/12258
http://addi.ehu.es/handle/10810/12263
http://addi.ehu.es/handle/10810/12260
http://addi.ehu.es/handle/10810/12264
http://addi.ehu.es/handle/10810/12266
http://addi.ehu.es/handle/10810/12273
http://addi.ehu.es/handle/10810/12276
http://addi.ehu.es/handle/10810/12277
http://addi.ehu.es/handle/10810/12278
http://addi.ehu.es/handle/10810/12297
http://addi.ehu.es/handle/10810/12298
http://addi.ehu.es/handle/10810/12314
http://addi.ehu.es/handle/10810/12333
http://addi.ehu.es/handle/10810/12334
http://addi.ehu.es/handle/10810/12335
http://addi.ehu.es/handle/10810/12336
http://addi.ehu.es/handle/10810/12359
http://addi.ehu.es/handle/10810/12361
http://addi.ehu.es/handle/10810/12365
http://addi.ehu.es/handle/10810/12420
http://addi.ehu.es/handle/10810/12377
http://addi.ehu.es/handle/10810/12378
http://addi.ehu.es/handle/10810/12379
http://addi.ehu.es/handle/10810/12380
http://addi.ehu.es/handle/10810/12381
http://addi.ehu.es/handle/10810/12382
http://addi.ehu.es/handle/10810/12383
http://addi.ehu.es/handle/10810/12384
http://addi.ehu.es/handle/10810/12385
http://addi.ehu.es/handle/10810/12386
http://addi.ehu.es/handle/10810/12389
http://addi.ehu.es/handle/10810/12390
http://addi.ehu.es/handle/10810/12395
http://addi.ehu.es/handle/10810/12424
http://addi.ehu.es/handle/10810/12427
http://addi.ehu.es/handle/10810/12428
http://addi.ehu.es/handle/10810/12429
http://addi.ehu.es/handle/10810/12439
http://addi.ehu.es/handle/10810/12577
http://addi.ehu.es/handle/10810/12442
http://addi.ehu.es/handle/10810/12443
http://addi.ehu.es/handle/10810/12444
http://addi.ehu.es/handle/10810/12837
http://addi.ehu.es/handle/10810/12898
http://addi.ehu.es/handle/10810/12897
http://addi.ehu.es/handle/10810/12937
http://addi.ehu.es/handle/10810/13723
http://addi.ehu.es/handle/10810/20768
http://addi.ehu.es/handle/10810/20769
http://addi.ehu.es/handle/10810/20815
http://addi.ehu.es/handle/10810/20818
http://addi.ehu.es/handle/10810/20817
http://addi.ehu.es/handle/10810/20820
http://addi.ehu.es/handle/10810/13437
http://addi.ehu.es/handle/10810/13244
http://addi.ehu.es/handle/10810/13426
http://addi.ehu.es/handle/10810/13721
http://addi.ehu.es/handle/10810/13720
http://addi.ehu.es/handle/10810/13438
http://addi.ehu.es/handle/10810/13217
http://addi.ehu.es/handle/10810/13677
http://addi.ehu.es/handle/10810/13657
http://addi.ehu.es/handle/10810/13497
http://addi.ehu.es/handle/10810/13498
http://addi.ehu.es/handle/10810/13518
http://addi.ehu.es/handle/10810/13404
http://addi.ehu.es/handle/10810/13172
http://addi.ehu.es/handle/10810/13179
http://addi.ehu.es/handle/10810/13577
http://addi.ehu.es/handle/10810/13717
http://addi.ehu.es/handle/10810/13718
http://addi.ehu.es/handle/10810/18537
http://addi.ehu.es/handle/10810/13697
http://addi.ehu.es/handle/10810/13506
http://addi.ehu.es/handle/10810/13314
http://addi.ehu.es/handle/10810/13424
http://addi.ehu.es/handle/10810/13325
http://addi.ehu.es/handle/10810/13327
http://addi.ehu.es/handle/10810/13331
http://addi.ehu.es/handle/10810/13332
http://addi.ehu.es/handle/10810/13333
http://addi.ehu.es/handle/10810/13338
http://addi.ehu.es/handle/10810/13345
http://addi.ehu.es/handle/10810/13346
http://addi.ehu.es/handle/10810/13347
http://addi.ehu.es/handle/10810/13348
http://addi.ehu.es/handle/10810/13349
http://addi.ehu.es/handle/10810/13350
http://addi.ehu.es/handle/10810/13354
http://addi.ehu.es/handle/10810/13355
http://addi.ehu.es/handle/10810/13356
http://addi.ehu.es/handle/10810/13358
http://addi.ehu.es/handle/10810/13465
http://addi.ehu.es/handle/10810/13363
http://addi.ehu.es/handle/10810/13369
http://addi.ehu.es/handle/10810/13372
http://addi.ehu.es/handle/10810/13373
http://addi.ehu.es/handle/10810/13376
http://addi.ehu.es/handle/10810/13382
http://addi.ehu.es/handle/10810/13383
http://addi.ehu.es/handle/10810/13385
http://addi.ehu.es/handle/10810/20832
http://addi.ehu.es/handle/10810/13390
http://addi.ehu.es/handle/10810/13407
http://addi.ehu.es/handle/10810/20762
http://addi.ehu.es/handle/10810/18534
http://addi.ehu.es/handle/10810/20761
http://addi.ehu.es/handle/10810/13468
http://addi.ehu.es/handle/10810/13447
http://addi.ehu.es/handle/10810/13466
http://addi.ehu.es/handle/10810/13469
http://addi.ehu.es/handle/10810/13470
http://addi.ehu.es/handle/10810/13471
http://addi.ehu.es/handle/10810/13472
http://addi.ehu.es/handle/10810/13473
http://addi.ehu.es/handle/10810/13474
http://addi.ehu.es/handle/10810/13475
http://addi.ehu.es/handle/10810/13476
http://addi.ehu.es/handle/10810/13477
http://addi.ehu.es/handle/10810/13478
http://addi.ehu.es/handle/10810/13479
http://addi.ehu.es/handle/10810/13480
http://addi.ehu.es/handle/10810/13481
http://addi.ehu.es/handle/10810/13482
http://addi.ehu.es/handle/10810/13483
http://addi.ehu.es/handle/10810/13484
http://addi.ehu.es/handle/10810/13485
http://addi.ehu.es/handle/10810/13486
http://addi.ehu.es/handle/10810/13487
http://addi.ehu.es/handle/10810/13488
http://addi.ehu.es/handle/10810/13489
http://addi.ehu.es/handle/10810/13490
http://addi.ehu.es/handle/10810/13491
http://addi.ehu.es/handle/10810/13492
http://addi.ehu.es/handle/10810/13493
http://addi.ehu.es/handle/10810/13494
http://addi.ehu.es/handle/10810/13495
http://addi.ehu.es/handle/10810/13496
http://addi.ehu.es/handle/10810/13499
http://addi.ehu.es/handle/10810/13500
http://addi.ehu.es/handle/10810/13501
http://addi.ehu.es/handle/10810/13502
http://addi.ehu.es/handle/10810/13503
http://addi.ehu.es/handle/10810/13504
http://addi.ehu.es/handle/10810/13505
http://addi.ehu.es/handle/10810/13525
http://addi.ehu.es/handle/10810/20825
http://addi.ehu.es/handle/10810/13531
http://addi.ehu.es/handle/10810/14314
http://addi.ehu.es/handle/10810/13983
http://addi.ehu.es/handle/10810/13746
http://addi.ehu.es/handle/10810/13747
http://addi.ehu.es/handle/10810/13748
http://addi.ehu.es/handle/10810/13749
http://addi.ehu.es/handle/10810/13751
http://addi.ehu.es/handle/10810/13979
http://addi.ehu.es/handle/10810/13663
http://addi.ehu.es/handle/10810/17242
http://addi.ehu.es/handle/10810/13586
http://addi.ehu.es/handle/10810/13589
http://addi.ehu.es/handle/10810/13604
http://addi.ehu.es/handle/10810/13624
http://addi.ehu.es/handle/10810/13664
http://addi.ehu.es/handle/10810/13665
http://addi.ehu.es/handle/10810/13666
http://addi.ehu.es/handle/10810/13636
http://addi.ehu.es/handle/10810/13667
http://addi.ehu.es/handle/10810/13639
http://addi.ehu.es/handle/10810/13668
http://addi.ehu.es/handle/10810/13643
http://addi.ehu.es/handle/10810/13644
http://addi.ehu.es/handle/10810/13645
http://addi.ehu.es/handle/10810/13646
http://addi.ehu.es/handle/10810/13647
http://addi.ehu.es/handle/10810/13648
http://addi.ehu.es/handle/10810/13669
http://addi.ehu.es/handle/10810/13650
http://addi.ehu.es/handle/10810/13651
http://addi.ehu.es/handle/10810/13652
http://addi.ehu.es/handle/10810/13653
http://addi.ehu.es/handle/10810/13654
http://addi.ehu.es/handle/10810/13882
http://addi.ehu.es/handle/10810/13883
http://addi.ehu.es/handle/10810/14104
http://addi.ehu.es/handle/10810/14381
http://addi.ehu.es/handle/10810/13903
http://addi.ehu.es/handle/10810/13904
http://addi.ehu.es/handle/10810/13905
http://addi.ehu.es/handle/10810/14810
http://addi.ehu.es/handle/10810/14811
http://addi.ehu.es/handle/10810/14813
http://addi.ehu.es/handle/10810/15123
http://addi.ehu.es/handle/10810/15127
http://addi.ehu.es/handle/10810/18146
http://addi.ehu.es/handle/10810/15328
http://addi.ehu.es/handle/10810/15244
http://addi.ehu.es/handle/10810/15329
http://addi.ehu.es/handle/10810/15185
http://addi.ehu.es/handle/10810/15204
http://addi.ehu.es/handle/10810/15206
http://addi.ehu.es/handle/10810/15208
http://addi.ehu.es/handle/10810/15209
http://addi.ehu.es/handle/10810/15211
http://addi.ehu.es/handle/10810/15212
http://addi.ehu.es/handle/10810/15213
http://addi.ehu.es/handle/10810/15214
http://addi.ehu.es/handle/10810/15215
http://addi.ehu.es/handle/10810/10745
http://addi.ehu.es/handle/10810/15218
http://addi.ehu.es/handle/10810/15219
http://addi.ehu.es/handle/10810/15221
http://addi.ehu.es/handle/10810/15223
http://addi.ehu.es/handle/10810/15228
http://addi.ehu.es/handle/10810/15229
http://addi.ehu.es/handle/10810/15230
http://addi.ehu.es/handle/10810/15233
http://addi.ehu.es/handle/10810/15249
http://addi.ehu.es/handle/10810/15250
http://addi.ehu.es/handle/10810/15254
http://addi.ehu.es/handle/10810/15262
http://addi.ehu.es/handle/10810/15265
http://addi.ehu.es/handle/10810/15267
http://addi.ehu.es/handle/10810/15269
http://addi.ehu.es/handle/10810/15271
http://addi.ehu.es/handle/10810/15322
http://addi.ehu.es/handle/10810/15384
http://addi.ehu.es/handle/10810/15428
http://addi.ehu.es/handle/10810/15442
http://addi.ehu.es/handle/10810/15357
http://addi.ehu.es/handle/10810/15345
http://addi.ehu.es/handle/10810/15358
http://addi.ehu.es/handle/10810/15360
http://addi.ehu.es/handle/10810/15362
http://addi.ehu.es/handle/10810/15449
http://addi.ehu.es/handle/10810/15467
http://addi.ehu.es/handle/10810/15522
http://addi.ehu.es/handle/10810/15524
http://addi.ehu.es/handle/10810/15526
http://addi.ehu.es/handle/10810/15531
http://addi.ehu.es/handle/10810/15385
http://addi.ehu.es/handle/10810/10746
http://addi.ehu.es/handle/10810/10747
http://addi.ehu.es/handle/10810/10748
http://addi.ehu.es/handle/10810/10749
http://addi.ehu.es/handle/10810/10750
http://addi.ehu.es/handle/10810/10751
http://addi.ehu.es/handle/10810/15415
http://addi.ehu.es/handle/10810/15418
http://addi.ehu.es/handle/10810/15530
http://addi.ehu.es/handle/10810/15525
http://addi.ehu.es/handle/10810/15523
http://addi.ehu.es/handle/10810/15527
http://addi.ehu.es/handle/10810/15546
http://addi.ehu.es/handle/10810/15548