International clay conference 1981 
/The Italian group of AIPEA 
 - Amsterdam:   Elsevier Scientific Publishing Company,   1982 
 - xxiv, 827p. 
 - Developments in sedimentology 35 .
<br/><br/><label>ISBN: </label>0-444-42096-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay
<br/><br/><label>Universal Decimal Class. No.: </label>553.611(082.2)  / M2