Authors
Barbara PIECZYKOLAN
The Silesian University of Technology, Institute of Water and Wastewater Engineering, Gliwice, Poland
Izabela PŁONKA
The Silesian University of Technology, Institute of Water and Wastewater Engineering, Gliwice, Poland
Krzysztof BARBUSIŃSKI
The Silesian University of Technology, Institute of Water and Wastewater Engineering, Gliwice, Poland