Authors
Janusz Żbikowski
Department of Hydrobiology, Faculty of Biology and Environmental Protection, Nicolaus Copernicus University in Toruń, Toruń, Poland
Daria Mimier
Department of Hydrobiology, Faculty of Biology and Environmental Protection, Nicolaus Copernicus University in Toruń, Toruń, Poland
Elżbieta Żbikowska
Department of Invertebrate Zoology, Faculty of Biology and Environmental Protection, Nicolaus Copernicus University in Toruń, Toruń, Poland