Publication
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The Odonata of Sulawesi and adjacent islands. Part 4. A new genus and species of Chlorocyphidae from South-East Sulawesi Article
Zoologische Verhandelingen, 323(35), 441-448.January 1998
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A revision of the Heteropteryginae (Insecta: Phasmida: Bacillidae) of Borneo, with the description of a new genus and ten new species Article
Zoologische Verhandelingen, 316(1), 1-135.January 1998
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Short notes and reviews The fossil fauna of Mazon Creek Article
Contributions to Zoology, 67(4), 277-279.January 1998
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A new spelaeogriphacean (Crustacea: Peracarida) from the Upper Jurassic of China Article
Contributions to Zoology, 68(1), 19-35.January 1998
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University of Amsterdam Opportunities for access to the Zoological Museum Amsterdam & Expert Center For Taxonomic Identification Article
Contributions to Zoology, 67(3), 221-221.January 1998
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Contributions to the occurrence of Canarium denticulatum (Burseraceae) in the Philippines Article
Flora Malesiana Bulletin, 12(4), 149-152.January 1998
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Learned news Article
Flora Malesiana Bulletin, 12(3), 118-119.January 1998
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That elm again! Ulmus at Pea Bullok, North Sumatra, and regional comparisons Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 43(1), 121-127.January 1998