TY - JOUR L1 - http://journals.pan.pl/Content/111058/PDF-MASTER/1993-2_211.pdf L2 - http://journals.pan.pl/Content/111058 PY - 1993 IS - No 2 EP - 211 A1 - Birkenmajer, Krzysztof PB - Polish Academy of Sciences PB - Committee on Polar Research VL - vol. 14 DA - 1993 T1 - European Polar Forum (EPF) SP - 211 UR - http://journals.pan.pl/dlibra/publication/edition/111058 T2 - Polish Polar Research ER -