Fishes of the Northeastern Atlantic and Mediterranean: A review of the lampreys of the Northern Hemisphere. Ezheg. zool. Muz. [Ann. Mus. Zool. Acad. Sci. URSS], 32 (1): pp. 87-116, pl. I-VIII.

Literature

Authors(s)	Berg, L. S.
Year	1931a
Title	A review of the lampreys of the Northern Hemisphere. Ezheg. zool. Muz. [Ann. Mus. Zool. Acad. Sci. URSS], 32 (1): pp. 87-116, pl. I-VIII.