@misc{Dzięczkowski_Andrzej_(1932–_)_Leon_1972, author={Dzięczkowski, Andrzej (1932– )}, volume={28}, number={5-6}, copyright={Creative Commons Attribution BY 3.0 PL license}, journal={Let's protect Our Indigenous Nature}, address={Kraków}, howpublished={online}, year={1972}, publisher={Polish Academy of Sciences}, language={pol}, type={Text}, title={Leon Juliusz Mroczkiewicz 1900-1971}, URL={http://rcin.org.pl/iop/Content/74134/PDF/KR038_95364_r1972-t28-no5-6_ChPO-Dzieczkowski-48-49.pdf}, }