O'keefe, John A. <br/><br/>
Tektites and other origin / 
John A. O'keefe 
 - Amsterdam :  Elsevier,  1976 
 - 254 p. :  ill. ;  24 cm. 
<br/><br/> Bibliography : p. 207-232 
<br/><br/><label>ISBN: </label>0444413502 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tektite