Franks, C.
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Clays and clay minerals 

proceedings of the Ninth National Conference on Clays and C...  International series of monographs on earth sciences ; 11
Copies:  Zentrale:E02 a geo 159 ib/159-11
 
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2

Clays and clay minerals 

proceedings of the Eighth National Conference on Clays and ...  International series of monographs on earth sciences ; 9
Copies:  Zentrale:E02 a geo 159 ib/159-9
 
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