Gastropoda Opistobranchiata
Lemche, H. (1938). Gastropoda Opistobranchiata. The Zoology of Iceland, IV(61). Ejnar Munksgaard: Copenhagen. 54 pp.
Part of: Fridriksson, A.; Tuxen, S.L. (Ed.) The Zoology of Iceland. Ejnar Munksgaard: Copenhagen. ISSN 0084-5655, more
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