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Environment, Earth and Ecology > 2017 > 1 > 2
Polish Journal of Ecology > 2015 > 63 > 1
Acta Agrophysica > 2015 > 22 > 2
Polish Journal of Environmental Studies > 2010 > 19 > 2 > 337-341
Journal of Elementology > 2008 > 13 > 1