Authors
Dariusz Halabowski
Department of Hydrobiology, University of Silesia, Katowice, Poland
Mariola Krodkiewska
Department of Hydrobiology, University of Silesia, Katowice, Poland
Agnieszka Sowa
Department of Hydrobiology, University of Silesia, Katowice, Poland
Iga Lewin
Department of Hydrobiology, University of Silesia, Katowice, Poland