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Yorkshire Geological Society: Proceedings (new ser.), vol. 16, pts. 1, 2. Leeds, 
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Zeitschrift fiir Gletscherkunde, Bd. 1, 2, Hefte 1, 2. Berlin, Germany. 
Zeitschrift fiir Krystallographie, Bd. 41, Hefte 5, 6, 42, 43, 44, Hefte 1, 2. 
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Zeitschrift fiir praktische Geologie, Jahrg. 14, 15. Berlin. Germany. 
