BIOTIC References
1932Fretter, V. & Graham, A., 1981. The Prosobranch Molluscs of Britain and Denmark. Part 6.
olluscs of Britain and Denmark. part 6. Journal of Molluscan Studies, Supplement 9, 309-313.
Search Google Scholar (click an authors name to search for other papers): Fretter, V. | Graham, AClick here to view all BIOTIC references