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Nyman, L., & L. Westin. 1969. A contribution to the methods of classification for some Mysidae and Gammarus species in the Baltic.-- Report (Sotvattenslaboratoriet (Sweden)) = Report - Institute of Freshwater Research (Drottningholm) 49: 157-163.
Nyman, L., & L. Westin. 1969. A contribution to the methods of classification for some Mysidae and Gammarus species in the Baltic.-- Report (Sotvattenslaboratoriet (Sweden)) = Report - Institute of Freshwater Research (Drottningholm) 49: 157-163.