@misc{_Acta_1969, volume={Vol. 11}, number={3}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, journal={Acta Hydrobiologica}, howpublished={online}, year={1969}, publisher={Laboratory of Water Biology of the Polish Academy of Sciences}, publisher={Państwowe Wydawnictwo Naukowe}, language={eng}, language={pol}, language={ger}, type={Text}, title={Acta Hydrobiologica Vol. 11 Fasc. 3 (1969)}, }