Publication
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An approach to the taxonomy of the sea-grass genus Halodule Endl. (Potamogetonaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 12(2), 289-312.January 1964
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Neuropeltopsis, a new genus of Convolvulaceae from Borneo Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 12(2), 365-367.January 1964
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Four new subspecies of birds from the Moluccas and New Guinea Article
Zoologische Mededelingen, 40(15), 125-130.January 1964
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Notes on the fishes of western New Guinea III. The fresh water shark of Jamoer lake Article
Zoologische Mededelingen, 40(3), 9-22.January 1964
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On a new species of Denisonia (Reptilia, Serpentes) from New Guinea Article
Zoologische Mededelingen, 39(52), 550-554.January 1964
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The Distribution of Reef Corals in Curaçao Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 20(1), 1-51.January 1964
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Reviews Article
Flora Malesiana Bulletin, 19(1), 1151-1162.January 1964
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Sur deux espèces D'anthessius (Copepoda) des Indes Orientales Article
Zoologische Mededelingen, 39(14), 111-124.January 1964