611-623
905-919
483-488
331-343
167-179
891-900
237-250
1399-1410
1005–1016
1393–1406
27-40
1271-1286
923-940
539-550
1303–1315
289-301
1357–1369
1021-1032
61-73
779-800
819-836
1489-1504
1123-1134
1073–1085
933–946
Scientific paper
381–394
1113-1122
153-167