Publication
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Breidt Grote centaurie (Centaurea scabiosa L.) zich uit langs de Waal? Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 25(4), 85-86.January 1999
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The Egyptian species of Encarsia (Hymenoptera: Aphelinidae): a preliminary review Article
Zoologische Mededelingen, 131-163.January 1999
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Review of the Afrotropical species of the tribe Lysitermini Tobias (Hymenoptera: Braconidae: Lysiterminae) Article
Zoologische Mededelingen, 239-249.January 1999
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The West Palaearctic species of the subfamily Paxylommatinae (Hymenoptera: Ichneumonidae), with special reference to the genus Hybrizon Fallén Article
Zoologische Mededelingen, 11-26.January 1999
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Notulae ad Floram agaricinam neerlandicam — XXXVI. Tricholoma Article
Persoonia - Molecular Phylogeny and Evolution of Fungi, 17(2), 295-317.January 1999
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Bashkirian conodonts of the Donets Basin, Ukraine Article
Scripta Geologica, 1-115.January 1999
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Considerations on the comparative pathology of the vertebrae in Mysticeti and Odontoceti; evidence for the occurrence of discarthrosis, zygarthrosis, infectious spondylitis and spondyloarthritis Article
Zoologische Mededelingen, 99-130.January 1999
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Streptaxidae (Mollusca: Gastropoda: Pulmonata) of the Seychelles Islands, Western Indian Ocean Article
Zoologische Verhandelingen, 1-60.January 1999