Farrand, W R <br/><br/>
Geology of clays 

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 - New YorK  Springer-Verlag  1970 
 - xvi, 429p.   
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<br/><br/><label>Subjects--Index Terms: </label>Economic geology  Ores  Minerals  clays  clay  ceramic materials 
<br/><br/><label>Dewey Class. No.: </label>553.61