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Oceanologia > 2009 > 51 > 4
Polish Journal of Environmental Studies > 2009 > 18 > 4 > 553-561
Polish Journal of Environmental Studies > 2009 > 18 > 4 > 673-680
Polish Journal of Environmental Studies > 2009 > 18 > 2 > 265-272
Polish Journal of Environmental Studies > 2009 > 18 > 2 > 273-277
Herba Polonica > 2009 > 55 > 3 > 298-303
Polish Journal of Ecology > 2009 > 57 > 3 > 513-523