Wouters-1989-Proceedings of the Symposium Invertebrates of Belgium-119-124.pdf
De Smet, W.H. & Van Rompu, E.A. 1989.
Survey of the distribution and shell polymorphism of Cochlicella acuta (Müller, 1774) and Theba pisana (Müller, 1774) (Pulmonata, Helicidae) along the Belgian coastal dune area.
Invertebraten van Begië - Invertébrés de Belgique: 119-124
wouters-1989-proceedings-of-the-symposium-invertebrates-of-belgium-119-124.pdf
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