Higgins, M W <br/><br/>
Obsidian hydration dating applied to basaltic volcanic activity.  [electronic resource] 

 -  Science (New York, N.Y.)  Jun 1972 
 - 1259-60 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.176.4040.1259  doi