@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},
}