Calhoun, B.B.. <br/><br/>
Ayak İzlerinin Esrarı/ 
B.B. Calhoun ; çev.: Özlem Özbal. 
 - 15.bs. 
 - 134 s. :  res. ;  18 sm. 
<br/><br/><label>ISBN: </label>975403043X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fosil Bilim
<br/><br/><label>Dewey Class. No.: </label>560.20