@misc{Szczepański_Andrzej_Information_1963,
 author={Szczepański, Andrzej},
 volume={9},
 editor={Polska Akademia Nauk. Komitet Ekologiczny},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Ekologia Polska. Seria B},
 howpublished={online},
 year={1963},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 type={Text},
 title={Information on the activities of Polish hydrobiological research centres. Hydrobiological Station of the Institute of Ecology, Polish Academy of Sciences},
 URL={http://rcin.org.pl/Content/121200/PDF/WA058_99011_P3259-9_Eko-Pol-B.pdf},
 keywords={hydrobiological research centres, Polish Academy of Sciences, aquatic biology},
}