Publication
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Nog meer Toarcien Article
Gea, 9(1), 24-26.January 1976
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De fauna tijdens het Toarcien Article
Gea, 9(1), 27-27.January 1976
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Ammonieten Article
Gea, 9(1), 28-30.January 1976
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Konserveren Article
Gea, 9(1), 30-31.January 1976
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Literatuur Article
Gea, 9(1), 32-32.January 1976
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Shropshire Article
Gea, 9(2), 33-44.January 1976
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Radio-actieve tijdmeters in de geologie Article
Gea, 9(2), 44-50.January 1976
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De Kristalsystemen Article
Gea, 9(2), 50-53.January 1976