Publication
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The geology of the southern part of the Pisuerga basin and the adjacent area of Santibañez de Resoba, Palencia, Spain Article
Leidse Geologische Mededelingen, 31(1), 113-163.January 1965
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Minor structures in the Upper Vicdessos Valley (Aston massif, France) Article
Leidse Geologische Mededelingen, 33(1), 255-274.January 1965
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Geological Map of the Paleozoic of the Central Pyrenees Article
Leidse Geologische Mededelingen, 33(1), 191-254.January 1965
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Carboniferous calcareous algae and their associations in the San Emiliano and Lois-Ciguera Formations (Prov. León, NW Spain) Article
Leidse Geologische Mededelingen, 31(1), 1-112.January 1965
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Some new species of Classopollis from the Jurassic of the Netherlands Article
Leidse Geologische Mededelingen, 33(1), 63-69.January 1965
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Études morphologiques de quelques spirifères dévoniens de la Chaîne Cantabrique (Espagne) Article
Leidse Geologische Mededelingen, 33(1), 71-148.January 1965
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Conodont-bearing formations of Devonian and Lower Carboniferous age in northern León and Palencia (Spain) Article
Leidse Geologische Mededelingen, 31(1), 165-178.January 1965
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The Esla Nappe, Cantabrian Mountains (Spain) Article
Leidse Geologische Mededelingen, 32(1), 1-74.January 1965