Publication
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Zum Vorkommen von Kalkglimmern (Margarit, Cintonit) in den Schweizer Alpen Article
Leidse Geologische Mededelingen, 20(1), 165-170.January 1955
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Pseudotectites from Colombia and Peru Article
Leidse Geologische Mededelingen, 20(1), 151-164.January 1955
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On the supposed Upper Paleozoic unconformity in North Sumatra Article
Leidse Geologische Mededelingen, 20(1), 120-134.January 1955
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Archidiskodon planifrons (Falconer et Cautley) from the Tatrot zone of the Upper Siwaliks Article
Leidse Geologische Mededelingen, 20(1), 110-119.January 1955
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Afscheidscollege Article
Leidse Geologische Mededelingen, 20(1), 9-21.January 1955
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Thalassostatic terraces and Pleistocene chronology Article
Leidse Geologische Mededelingen, 20(1), 22-33.January 1955
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Quelques remarques sur Spirorbis pusillus (Martin) du Carbonifère des Pays-Bas Article
Leidse Geologische Mededelingen, 20(1), 100-105.January 1955
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The origin and destruction of beach ridges Article
Leidse Geologische Mededelingen, 20(1), 34-47.January 1955