@ARTICLE{Cisak_Jan_In_1990, author={Cisak, Jan and Jażdżewski, Krzysztof}, volume={vol. 11}, number={No 1-2}, journal={Polish Polar Research}, pages={207-209}, howpublished={online}, year={1990}, publisher={Polish Academy of Sciences}, publisher={Committee on Polar Research}, type={Nécrologie / Obituary}, title={In Memoriam Jerzy Lech Jasnorzewski (1906—1989)}, URL={http://journals.pan.pl/Content/111171/PDF-MASTER/1990-1-2_207-209.pdf}, }