Publication
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The Casavegas Section and its fusulinid Fauna Article
Leidse Geologische Mededelingen, 24(2), 705-720.January 1959
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Voorlopige resultaten van de karteringen in Noord-Spanje en Zuid-Frankrijk verkregen in 1958 door de afdeling Structurele Geologie Article
Leidse Geologische Mededelingen, 24(1), 1-29.January 1959
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Structure and sedimentology of the upper carboniferous of the upper Pisuerga Valleys, Cantabrian Mountains, Spain Article
Leidse Geologische Mededelingen, 24(2), 603-703.January 1959
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Geomorphological aspects of the Pisuerga drainage area in the Cantabrian mountains (Spain) Article
Leidse Geologische Mededelingen, 24(1), 283-406.January 1959
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Tertiary and Quaternary sedimentation in a part of the Duero Basin Palencia, (Spain) Article
Leidse Geologische Mededelingen, 24(1), 31-180.January 1959
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Geological Investigations on Boulder-Clay of E. Groningen Article
Leidse Geologische Mededelingen, 24(2), 721-751.January 1959
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Geology of Tornafort area, Central Pyrenees, Noguera de Pallaresa, Prov. de Lerida, Spain Article
Leidse Geologische Mededelingen, 24(1), 407-414.January 1959
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H.E. van Rijgersma – a little-known Naturalist of St. Martin (Netherlands Antilles) Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 9(1), 69-78.January 1959