Schaeffer, Oliver Adam <br/><br/>
Potassium argon dating 

 - New York  Springer-Verlag  1966 
 - 234p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potassium
<br/><br/><label>LC Class. No.: </label>QE508.P67