Publication
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Further observations on fossil and subfossil Odobenid material (Mammalia, Carnivora) from the North Sea Article
Beaufortia, 40(5), 85-101.January 1990
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Mordellidae (Coleoptera: Heteromera) from Papua New Guinea, with descriptions of new species Article
Zoologische Mededelingen, 63(12), 137-161.January 1990
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The origin of the anchialine cave fauna — the “deep sea” versus the “shallow water” hypothesis tested against the empirical evidence of the Thaumatocyprididae (Ostracoda) Article
Bijdragen tot de dierkunde, 60(3/4), 137-143.January 1990
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Oedicerotid Amphipoda (Crustacea) from shallow waters of Korea Article
Beaufortia, 39(5), 155-200.January 1990
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Bibliography Article
Flora Malesiana Bulletin, 10(3), 259-303.January 1990
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Precopulatory mate guarding in copepods Article
Bijdragen tot de dierkunde, 60(3/4), 209-213.January 1990
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Progress in Malesian botany Article
Flora Malesiana Bulletin, 10(3), 225-228.January 1990
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Revision of the subtribe Mesocoelina Viereck (Hymenoptera: Braconidae) Article
Zoologische Mededelingen, 64(4), 31-57.January 1990