TY - JOUR L1 - http://www.journals.pan.pl/Content/111021/PDF/1994-1-2_093.pdf L2 - http://www.journals.pan.pl/Content/111021 PY - 1994 IS - No 1-2 EP - 93 A1 - Birkenmajer, Krzysztof PB - Polish Academy of Sciences PB - Committee on Polar Research VL - vol. 15 DA - 1994 T1 - European Conference on Grand Challenges in Ocean and Polar Sciences, Bremen, Germany, September 1994 SP - 93 UR - http://www.journals.pan.pl/dlibra/publication/edition/111021 T2 - Polish Polar Research ER -