Publication
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Effects of Red Light on Geotropism of Avena and their possible Relations to Phototropic Phenomena Article
Acta botanica neerlandica, 12(4), 424-432.January 1963
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Transmission of Bean common mosaic Virus by Seed of Phaseolus vulgaris L. cultivar Beka Article
Acta botanica neerlandica, 12(4), 433-497.January 1963
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Dune Waters in the Netherlands. I Quackjeswater, Breede water and Vogelmeer Article
Acta botanica neerlandica, 12(4), 498-520.January 1963
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Periodieke Waterwildtellingen (V) Article
Het Vogeljaar, 11(3), 105-106.January 1963
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De natuur in / De Nederlandsche heidemaatschappij 75 jaar Article
Natuurhistorisch Maandblad, 52(1), 1-1.January 1963
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Verslag van de maandvergaderingen Article
Natuurhistorisch Maandblad, 52(1), 2-5.January 1963
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Adventieven langs de maas in Limburg IV Article
Natuurhistorisch Maandblad, 52(1), 5-5.January 1963
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Foraminifera from the Cretaceous of South Limburg, Netherlands. LXIII.: some Rotaliid Foraminifera from the lower Plaeocene above the Maestrichtian Tuff Chalk. Article
Natuurhistorisch Maandblad, 52(1), 6-9.January 1963