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Journal for Nature Conservation > 2012 > 20 > 5 > 301-309
Oceanological and Hydrobiological Studies > 2008 > Vol. 37, No.3 > 97-104
Journal for Nature Conservation > 2012 > 20 > 5 > 301-309
Oceanological and Hydrobiological Studies > 2008 > Vol. 37, No.3 > 97-104