Naturalis Institutional Repository
The Naturalis Repository provides access to staff publications and to Naturalis journals and series.
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January 1931
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January 1931
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January 1931
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January 1931
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8. Palaeozoic and Mesozoic Gastropoda, Lamellibranchiata and Scaphopoda Article
Leidse Geologische Mededelingen, 5(1), 164-205.January 1931
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January 1931
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20. The Tertiary Article
Leidse Geologische Mededelingen, 5(1), 611-648.January 1931
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3 Discoasteridae, Coccolithinae and Radiolaria Article
Leidse Geologische Mededelingen, 5(1), 92-114.January 1931