@misc{Witkowski_Andrzej_(1947–_)_Rybostan_1988, author={Witkowski, Andrzej (1947– ) and Błachuta, Jan (1953– ) and Państwowe Wydawnictwo Naukowe (1951–1992) and Polska Akademia Nauk. Instytut Zoologii}, volume={31}, number={17}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Warszawa}, address={Wrocław}, journal={Fragmenta Faunistica}, howpublished={online}, year={1988}, publisher={Państwowe Wydawnictwo Naukowe}, language={pol}, type={Text}, title={Rybostan dorzecza Kaczawy}, URL={http://rcin.org.pl/Content/51387/PDF/WA058_56249_P256-T31_Frag-Faun-Nr-17.pdf}, keywords={zoocenosis, fish, Pisces, Kaczawa (river), Poland, effects of human beings, man's impact}, }