Publication
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Taxonomy of Fordia hemsley (Papilionaceae: Millettieae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 36(1), 191-204.January 1991
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Review Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 36(1), 104-104.January 1991
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Miscellaneous notes on Southeast Asian Gramineae. VI Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 36(1), 179-181.January 1991
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Notes on Octocorallia from the Laccadives (SW India) Article
Zoologische Mededelingen, 65(9), 143-154.January 1991
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Lower Palaeozoic erratic favositids from the Island of Sylt, Germany Article
Scripta Geologica, 1-32.January 1991
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On Trichia alpicola (Eder, 1921) from Switzerland (Mollusca: Gastropoda Pulmonata: Hygromiidae) and the spiral sculpture on its shell Article
Zoologische Mededelingen, 65(17), 247-250.January 1991
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Review Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 36(1), 122-122.January 1991
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Notes on Ericaceae from Papua New Guinea Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 36(1), 161-164.January 1991