15 February 2019
2019, 40 (2): 241-249
2019, 40 (2): 250-258
2019, 40 (2): 259-266
2019, 40 (2): 267-275
2019, 40 (2): 276-284
2019, 40 (2): 285-294
2019, 40 (2): 295-306
2019, 40 (2): 307-314
2019, 40 (2): 315-323
2019, 40 (2): 324-330
2019, 40 (2): 331-338
2019, 40 (2): 339-346
2019, 40 (2): 347-354
2019, 40 (2): 355-362
2019, 40 (2): 363-375
2019, 40 (2): 376-381
2019, 40 (2): 382-388
2019, 40 (2): 389-397
2019, 40 (2): 398-406
2019, 40 (2): 407-415
2019, 40 (2): 416-423
2019, 40 (2): 424-430
2019, 40 (2): 431-440
2019, 40 (2): 441-448
2019, 40 (2): 449-455
2019, 40 (2): 456-462
2019, 40 (2): 463-471