MSBIAS source details
Spoel, S. van der. (1976). Pseudothecosomata, Gymnosomata and Heteropoda (Gastropoda). Utrecht: Bohn, Scheltema & Holkema. 484 pp.
166326
Spoel, S. van der
1976
<i>Pseudothecosomata, Gymnosomata and Heteropoda (Gastropoda).</i> Utrecht: Bohn, Scheltema & Holkema. 484 pp.
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