Publication
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Adventieven aan de Maasoevers in Limburg Article
Correspondentieblad ten dienste van de floristiek en het vegetatie-onderzoek van Nederland, 1(1), 8-10.January 1956
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News from literature Article
Flora Malesiana Bulletin, 12(1), 493-496.January 1956
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Revision of some Oriental Anthophorine Bees of the genus Amegilla Friese (Hymenoptera, Apoidea) Article
Zoologische Verhandelingen, 30(1), 1-41.January 1956
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Progress in Malaysian botany Article
Flora Malesiana Bulletin, 12(1), 471-474.January 1956
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Bibliography Article
Flora Malesiana Bulletin, 12(1), 506-545.January 1956
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Two interesting crabs (Crustacea Decapoda, Brachyura) from Mersin Bay, S. E. Turkey Article
Zoologische Mededelingen, 34(21), 287-299.January 1956
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De stand van de Ooievaar, Ciconia c. ciconia (Linné), in Nederland in 1955 (The status of the White Stork in the Netherlands in the year 1955) Article
Beaufortia, 5(52), 101-115.January 1956
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Parnassiana nova : X. Zwei neue nordamerikanische Parnassius Subspecies Article
Zoologische Mededelingen, 34(18), 243-245.January 1956