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Polish Journal of Environmental Studies > 2008 > 17 > 1 > 39-50
Annales Zoologici > 2006 > 56 > 2
Polish Journal of Ecology > 2006 > 54 > 2
Polish Journal of Ecology > 2006 > 54 > 1
Archives of Polish Fisheries > 2004 > 12 > 1