@ARTICLE{Gutkowska_Agnieszka_Rotifer_2013, author={Gutkowska, Agnieszka and Paturej, Ewa and Kowalska, Ewa}, number={No55(4)}, journal={Oceanologia}, howpublished={online}, year={2013}, publisher={Instytut Oceanologii PAN}, publisher={Komitet BadaƄ Morza PAN}, title={Rotifer trophic state indices as ecosystem indicators in brackish coastal waters}, URL={http://journals.pan.pl/Content/98390/mainfile.pdf}, }