@misc{Bielańska-Grajner_Irena_Dependance,
 author={Bielańska-Grajner, Irena and Molenda, Tadeusz},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng ; pol},
 type={artykuł},
 title={Dependance between occurrence of selected species of psammic rotifers and phytopsammon abundance},
 keywords={psammon, Ritifera, algae, Cyanobacteria, psammolittoral},
}