@ARTICLE{Birkenmajer_Krzysztof_80th_1995, author={Birkenmajer, Krzysztof}, volume={vol. 16}, number={No 1-2}, journal={Polish Polar Research}, pages={3-4}, howpublished={online}, year={1995}, publisher={Polish Academy of Sciences}, publisher={Committee on Polar Research}, type={Chronicle}, title={80th anniversary of professor Alfred Jahn}, URL={http://journals.pan.pl/Content/110970/PDF/1995-1-2_003-004.pdf}, }