@misc{_Acta_1987, volume={Vol. 29}, number={2}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Warszawa}, address={Kraków}, journal={Acta Hydrobiologica}, howpublished={online}, year={1987}, publisher={Institute of Freshwater Biology of the Polish Academy of Sciences}, publisher={Państwowe Wydawnictwo Naukowe}, language={eng}, type={Text}, title={Acta Hydrobiologica Vol. 29 Fasc. 2 (1987)}, }