TY - JOUR L1 - http://www.journals.pan.pl/Content/111040/PDF-MASTER/1993-1_111-114.pdf L2 - http://www.journals.pan.pl/Content/111040 PY - 1993 IS - No 1 EP - 114 A1 - Stankowski, Wojciech PB - Polish Academy of Sciences PB - Committee on Polar Research VL - vol. 14 DA - 1993 T1 - 20th Polar Symposium "Human impact on the polar enviroment" Lublin, June 3-5, 1993 SP - 111 UR - http://www.journals.pan.pl/dlibra/publication/edition/111040 T2 - Polish Polar Research ER -