Author: Tyvold, B., 1914.:
Title: Beitrag zur Kenntnis der Gattung Sphyrion Cuv. [Copepoda]. [Bergens Mus. Aarbok 1914, Nr. 1.]
Description: Bergen 1914. 8vo, 22.5cm. Pp. 48, 15 detailed figs. on 2 double-page plates, 9 figs., bibliogr. Plain new wrappers.

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