@ARTICLE{Stępień_Kazimierz_Mentor_2007, author={Stępień, Kazimierz}, number={Nr 3 (15) 2007 Changes}, journal={ACADEMIA. The magazine of the Polish Academy of Sciences}, pages={46-47}, howpublished={online}, year={2007}, publisher={Polish Academy of Sciences}, language={eng}, abstract={Prof. Bohdan Paczyński, one of the most distinguished contemporary Polish scientists, passed away on 19 April 2007.}, title={Mentor of Polish Astronomy}, URL={http://journals.pan.pl/Content/128855/PDF-MASTER/16_ACADEMIA_EN_3_15_2007_Stepien_Mentor.pdf}, }