Publication
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Systematics and morphology of Chrysochaete brittannica (Godward) Rosenberg and Phaeoplaca thallosa Chodat (Chrysophyceae) Article
Acta botanica neerlandica, 27(1), 35-60.January 1978
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Megasporogenesis in Oryza sativa L. and Rhynchoryza subulata (Nees) Baill. indicating some taxonomic significance Article
Acta botanica neerlandica, 27(1), 61-68.January 1978
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Development of ovule and testa in Rutaceae. II: The unitegmic and pachychalazal seed of Glycosmis cf. arborea (Roxb.) D.C. Article
Acta botanica neerlandica, 27(1), 69-78.January 1978
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A new species of Peperomia (Piperaceae) from Equador Article
Acta botanica neerlandica, 27(1), 79-81.January 1978
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Le protoxylème écrasé de Cornus sericea L. Article
Acta botanica neerlandica, 27(1), 83-85.January 1978
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Doortrekkende stootvogels in Turkije bedreigd Article
Het Vogeljaar, 26(3), 128-130.January 1978
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Vogelvangst in Zuid-Noorwegen Article
Het Vogeljaar, 26(1), 1-4.January 1978
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De watervogeljacht en de watervogelbescherming in Denemarken Article
Het Vogeljaar, 26(1), 4-6.January 1978