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2. The functional anatomy and histology of the reproductive system of some pilid gastropod molluscs;Andrews;Proc. Malac. Soc. Lond.,1964
3. The functional anatomy of the mantle cavity, kidney and blood system of some pilid gastropods (Prosobranchia);Andrews;J. Zool.,1965
4. Comparative conchology and functional morphology of the copulatory organ of the Ampullariidae (Gastropoda, Monotocardia) and their bearing upon phylogeny and palaeontology;Berthold;Abh nat Ver Hambg.,1989
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