The prosobranch molluscs of Britain and Denmark: 5. Marine Littorinacea
Fretter, V.; Graham, A. (1980). The prosobranch molluscs of Britain and Denmark: 5. Marine Littorinacea. J. Molluscan Stud. Suppl. 7: 243-284
In: Journal of Molluscan Studies. Supplement. Oxford University Press: Oxford. ISSN 0263-5666, more
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