Search results for: Siepak J.
Polish Journal of Environmental Studies > 2009 > 18 > 1 > 77-85
Polish Journal of Environmental Studies > 2009 > 18 > 1 > 137-139
Polish Journal of Environmental Studies > 2008 > 17 > 3 > 343-350
Polish Journal of Environmental Studies > 2006 > 15 > 5 > 793-810