Publication
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Veldwaarnemingen Article
De Korhaan, 11(5), 105-106.January 1977
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Waarnemingen uit de oude doos III Article
De Korhaan, 11(5), 107-107.January 1977
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Lijst van adressen die u nodig kunt hebben Article
De Korhaan, 11(5), 108-108.January 1977
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In memoriam Dr. C.O. van Regteren Altena 1907-1976 Article
Basteria, 41(1/4), 1-6.January 1977
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Revision of the East Atlantic and Mediterranean Caecidae Article
Basteria, 41(1/4), 7-19.January 1977
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The Mollusca of the estuarine region of the rivers Rhine, Meuse, and Scheldt in relation to the hydrography of the area. V. The Cardiidae Article
Basteria, 41(1/4), 21-32.January 1977
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On Conus mediterraneus and Conus guinaicus Article
Basteria, 41(1/4), 33-45.January 1977
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Boekbespreking Article
Basteria, 41(1/4), 46-46.January 1977