@misc{_Maciej,
 copyright={Public Domain},
 howpublished={online},
 title={Maciej Mroczkowski},
 type={Image},
 URL={http://www.rcin.org.pl/Content/125158/PDF/WA058_109767_Mroczkowski_Maciej.pdf},
 keywords={Mroczkowski, Benedykt Maciej (1927-2007), zoologists, entomologists, coleopterologists, academics, biologists - Poland - biography},
}