Further data on summer-breeding in Baltic populations of the amphipods Pontoporeia affinis and P. femorata with comments on the timing problem involved
Segerstråle, S.G. (1971). Further data on summer-breeding in Baltic populations of the amphipods Pontoporeia affinis and P. femorata with comments on the timing problem involved. Merentutk. Laitok. Julk. 235: 19-23
In: Merentutkimuslaitoksen Julkaisu = Havsforskningsinstitutets Skrift. Merentutkimuslaitos: Helsinki. ISSN 0025-9985, meer
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