Publication
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The genus Spathiphyllum in the East Malesian and West Pacific islands (Araceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 16(1), 119-121.January 1968
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Review Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 16(1), 271-272.January 1968
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Note on Ulmus in Malesia (Ulmaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 16(1), 84-86.January 1968
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On Hymenosomatidae (Crustacea Decapoda Brachyura) from fresh water, with the description of a new species Article
Beaufortia, 15(195), 109-121.January 1968
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Etude du developpement de l’Ostracode marin Sphaeromicola dudichi Klie, 1938 Article
Bulletin Zoologisch Museum, 1(5), 39-43.January 1968
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Revision of the genus Aponogeton (Aponogetonaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 16(1), 243-265.January 1968
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Bipalium engeli n. sp., a terrestrial triclad from Singapore Article
Beaufortia, 15(194), 105-107.January 1968
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Dr. Hendrik Engel. Zoologist and Historian, Curator and Professor Article
Beaufortia, 15(179), 1-5.January 1968