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Polish Journal of Environmental Studies > 2010 > 19 > 2 > 267-274
Journal of Elementology > 2008 > 13 > 4 > 535-544
Acta Agraria et Silvestria. Series Agraria > 1996 > 34 > 13-22
Polish Journal of Environmental Studies > 2010 > 19 > 2 > 267-274
Journal of Elementology > 2008 > 13 > 4 > 535-544
Acta Agraria et Silvestria. Series Agraria > 1996 > 34 > 13-22