International clay conference 1969 :  proceedings / 
edited by Lisa Heller...[et al] 
 - Jerusalem :  Israel University Press,  1969- 
 - v. ;  25 cm. 
<br/><br/> Library has vol. 1 
<br/><br/><label>ISBN: </label> USD 36.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural gas
<br/><br/><label>Dewey Class. No.: </label>553.6106173