Publication
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Revision der niederländischen Arten der Gattung Agropyron (Vorläufiger Bericht) Article
Acta botanica neerlandica, 10(4), 394-396.January 1961
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The influence of blue, red and far red light on Geotropism and Growth of the Avena coleoptile Article
Acta botanica neerlandica, 10(4), 397-450.January 1961
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The effect of Auxin and Sucrose on Growth and Form of Pea stem sections Article
Acta botanica neerlandica, 10(4), 451-459.January 1961
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The Loganiaceae of Africa III. Spigelia L. Article
Acta botanica neerlandica, 10(4), 460-465.January 1961
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Translocation of C14-photosynthates in the graft Muskmelon/Cucurbita Ficifolia Article
Acta botanica neerlandica, 10(4), 466-473.January 1961
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Czechoslovak Botanical Society (Societas Botanica Čechoslovaca) Article
Acta botanica neerlandica, 10(4), 474-474.January 1961
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Avontuur met Oebi Article
Het Vogeljaar, 9(1/2), 145-148.January 1961
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Ooievaars brachten in 1960 slechts 51 jongen groot Article
Het Vogeljaar, 9(1/2), 149-151.January 1961