@article{Jahn_Alfred_80th_1991, author={Jahn, Alfred and Birkenmajer, Krzysztof}, volume={vol. 12}, number={No 3}, howpublished={online}, journal={Polish Polar Research}, pages={265-268}, year={1991}, publisher={Polish Academy of Sciences}, publisher={Committee on Polar Research}, title={80th anniversary of professor Stanisław Siedlecki}, type={Chronicle}, }