@ARTICLE{Jażdżewski_Krzysztof_An_1993, author={Jażdżewski, Krzysztof and Balcerska, Joanna}, volume={vol. 14}, number={No 1}, journal={Polish Polar Research}, pages={99-104}, howpublished={online}, year={1993}, publisher={Polish Academy of Sciences}, publisher={Committee on Polar Research}, type={Source materials}, title={An important letter of Henryk Arctowski to Adrien de Gerlache}, URL={http://www.czasopisma.pan.pl/Content/111038/PDF-MASTER/1993-1_099-104.pdf}, }