@misc{Masłowski_Ludwik_(1895–1940)_Motyle_1929,
 author={Masłowski, Ludwik (1895–1940) and Masłowski, Marian Piotr (1898–1945)},
 copyright={Public Domain},
 address={Lwów},
 journal={Publications of famous biologists - a collection of prints},
 howpublished={online},
 year={1929},
 publisher={Polski Związek Entomologiczny},
 language={pol},
 title={Motyle okolic Zawiercia},
 type={Text},
 URL={http://www.rcin.org.pl/Content/86207/PDF/691.pdf},
 keywords={Butterflies, Butterflies - four new questionnaires, Triassic documents - Zawiercie, Butterflies - large coniferous forests},
}