O'Keefe, John Alfred <br/><br/>
Tektites and their origin 

 - Amsterdam  Elsevier Science Publishers B.V.  1976 
 - xii,254p.  23cm. 
<br/><br/><label>ISBN: </label>0-444-41350-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy
<br/><br/><label>LC Class. No.: </label>QE399.O2