Publication
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Biogeography of Malesian Orchidaceae Article
Flora Malesiana Bulletin, 12(6), 273-287.January 1999
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New Afrotropical species of the tribe Lysitermini Tobias (Hymenoptera: Braconidae: Lysiterminae) Article
Zoologische Mededelingen, 199-207.January 1999
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The Berriasian genus Groebericeras in Argentina and the problem of its age Article
Scripta Geologica. Special Issue, 15-29.January 1999
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Hummelinckiella borinquensis, a new genus and species in the subfamily Stephopominae (Caenogastropoda: Siliquariidae) with notes on the genera Caporbis and Stephopoma and the “Blasian subregion” Article
Bulletin Zoologisch Museum, 17(5), 41-46.January 1999
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Dagvlinders in 1998: nog steeds onder druk (Lepidoptera: Rhopalocera) Article
Nederlandse Faunistische Mededelingen, 127-129.January 1999
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Fossil axial skeletal walrus material from the North Sea and the estuary of the Schelde, and a fossil Sirenian rib (Mammalia, Carnivora; Sirenia) Article
Beaufortia, 49(2), 11-20.January 1999
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Meerkleurige of Toornviolen: Akker-, Driekleurig en Duinviooltje Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 25(4), 82-83.January 1999
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The biogeography and extinction of megapodes in Oceania Article
Zoologische Verhandelingen, 7-21.January 1999