Publication
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On the Biology of some Javanese Loranthaceae and the role birds play in their life-historie Article
Beaufortia, 4(41), 103-207.January 1954
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Geology of the border region between Coahuila and Zacatecas, Mexico Article
Leidse Geologische Mededelingen, 19(1), 111-165.January 1954
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On the determination of pyroxenes by X-ray powder diagrams Article
Leidse Geologische Mededelingen, 19(1), 167-276.January 1954
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The sites of Wezep and Oldebroek (province of Gelderland, Netherlands) Article
Leidse Geologische Mededelingen, 20(1), 58-73.January 1955
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An undescribed race of Coereba Flaveola from Bonaire Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 6(1), 83-85.January 1955
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Freshwater Bryozoa (Phylactolaemata) from Curaçao, Aruba and Bonaire Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 6(1), 86-88.January 1955
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Pseudodiscordante gelaagdheid in gedeformeerde gesteenten van wisselende competentie Article
Leidse Geologische Mededelingen, 20(1), 177-184.January 1955
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Gedegen koper in fonolietglas Article
Leidse Geologische Mededelingen, 20(1), 207-213.January 1955