Publication
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Notes on the adult and young stages in Diacria (Gastropoda, Pteropoda) Article
Basteria, 38(1/2), 19-26.January 1974
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Een pleistocene vondst van Pisidium conventus Clessin in Nederland en de huidige geografische verspreiding van deze soort in Europa Article
Basteria, 38(1/2), 27-40.January 1974
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Buccinum undatum L. var. multiflexuosa nov. var Article
Basteria, 38(1/2), 41-42.January 1974
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De fossiele schelpen van de Nederlandse stranden en zeegaten tweede serie, 6 Article
Basteria, 38(3/4), 45-67.January 1974
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The geographical distribution of Pleurodiscus erdeli (Pulmonata, Pleurodiscidae) Article
Basteria, 38(5/6), 85-91.January 1974
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Deroceras agreste (Linnaeus, 1758) in den Niederlanden nie nachgewiesen Article
Basteria, 38(5/6), 92-92.January 1974
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Notes on Loricata, 6-7 Article
Basteria, 38(5/6), 93-97.January 1974
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Type selection of Pseudamnicola solitaria Tchernov, 1971 Article
Basteria, 38(5/6), 98-98.January 1974