Publication
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Genetic differentiation in Gammarus fossarum and G. caparti (Crustacea, Amphipoda) with reference to G. pulex pulex in northwestern Europe Article
Bijdragen tot de dierkunde, 59(3), 127-139.January 1989
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First record of Vimba vimba (Linnaeus, 1758) (Pisces: Cyprinidae) in the Netherlands Article
Bulletin Zoologisch Museum, 12(6), 97-100.January 1989
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Obituaries and biographical notes Article
Flora Malesiana Bulletin, 10(2), 107-109.January 1989
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A new Taheitia species (Mollusca: Gastropoda Prosobranchia: Truncatellidae) from Irian Jaya Article
Zoologische Mededelingen, 63(2), 23-26.January 1989
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Phylogenetic relationships of the triclads (Platyhelminthes, Seriata, Tricladida) Article
Bijdragen tot de dierkunde, 59(1), 3-25.January 1989
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Atlas Nedersaksen Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 15(3), 94-94.January 1989
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Studies in Cyperaceae 10. Cyperus macropachycephalus, a remarkable new species from New Guinea Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 34(1), 161-166.January 1989
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Regional Floras: the target groups, usage and feedback Article
Flora Malesiana Bulletin, 10(1), 9-10.January 1989