R. Kocwa-Haluch, B. Zalewska*
Department of Environmental Biology, Institute of Water Supply and Environmental Protection,
Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland
* Center of Motor System Rehabilitation, Daszyskiego 1, 32-560 Krzeszowice, Poland
Pol. J. Environ. Stud. 2002;11(6):751–755