The Distribution and Morphology of Pontoporeia affinis Lindström f. brevicornis (Crustacea Amphipoda) inhabiting North American Lakes, with a Description of a new Aberrant Male Form from the Area
Häftad bok. Societas Scientiarum Fennica. 1971. 19 sidor.
Gott skick. Klammerhäftad. Genomgående med veck i nedre marginalen.