Publication
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Plant collecting program in Southeast Asia under the sponsorship of the United States National Cancer Institute (NCI) (1986-1991) Article
Flora Malesiana Bulletin, 11(1), 35-36.January 1992
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Bibliography Article
Flora Malesiana Bulletin, 11(1), 60-96.January 1992
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Notes on Macrocephalinae (Heteroptera: Phymatidae). AU: Article
Zoologische Mededelingen, 66(30), 417-421.January 1992
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Psilocin, psilocybin, serotonin and urea in Panaeolus cyanescens from various origin Article
Persoonia - Molecular Phylogeny and Evolution of Fungi, 15(1), 117-121.January 1992
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Lbase the database system of the Rijksherbarium/Hortus Botanicus Article
Flora Malesiana Bulletin, 11(1), 37-44.January 1992
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An evolutionary approach to megapode mating systems Article
Zoologische Verhandelingen, 278(3), 33-42.January 1992
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Studies on the species of the South American lizard genus Arthrosaura Boulenger (Reptilia: Sauria: Teiidae), with the resurrection of two species Article
Zoologische Mededelingen, 66(35), 453-484.January 1992
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[Proceedings of the symposium 'Molluscan Palaeontology' : 11th International Malacological Congress, Siena (Italy) 30th August - 5th September 1992 / A.W. Janssen and R. Janssen (editors)]: Early ontogenetic shells of Recent and fossil Scaphopoda Article
Scripta Geologica. Special Issue, 2(5), 83-100.January 1992