@misc{Pižl_Václav_(1956–_)_The_1991, author={Pižl, Václav (1956– ) and Sterzyńska, Maria and Polska Akademia Nauk. Instytut Zoologii}, volume={35}, number={14}, copyright={Rights Reserved - Free Access}, journal={Fragmenta Faunistica}, address={Warszawa}, howpublished={online}, year={1991}, publisher={Instytut Zoologii Polskiej Akademii Nauk}, language={eng}, type={Text}, title={The influence of urbanization on the earthworm infection by monocystid gregarines}, URL={http://rcin.org.pl/miiz/Content/52273/PDF/WA058_60782_P256-T35_Frag-Faun-Nr-14.pdf}, keywords={heavy metal contents, hosts, pollution, Warsaw, urban green areas, zoocenosis, parasites, monocystid gregarines, gregarines, Gregarina, Gregarinida, Lumbricus terrestris, oligochaetes, Oligochaeta, ringed worms, annelids, Annelida, Lumbricidae, lumbricids, Poland}, }