TY - JOUR L1 - http://www.journals.pan.pl/Content/110970/PDF/1995-1-2_003-004.pdf L2 - http://www.journals.pan.pl/Content/110970 PY - 1995 IS - No 1-2 EP - 4 A1 - Birkenmajer, Krzysztof PB - Polish Academy of Sciences PB - Committee on Polar Research VL - vol. 16 DA - 1995 T1 - 80th anniversary of professor Alfred Jahn SP - 3 UR - http://www.journals.pan.pl/dlibra/publication/edition/110970 T2 - Polish Polar Research ER -