Tephra studies 
/ Proceedings of the NATO advanced study institute ''Tephra studies as a tool in quaternary research'', held in Iceland, 18-29 June, 1980 
 - England:   D. Reidel Publishing Company,   1981 
 - xiv, 481p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology 
<br/><br/><label>Subjects--Index Terms: </label>Regional  
<br/><br/><label>Universal Decimal Class. No.: </label>552.313(082.2)  / M1