Calhoun, B. B.,   1961- <br/><br/>
Kaybolan İpucu / 
B.B. Calhoun . 
 - Ankara :  Tübitak ,  1999 . 
 - 131 p. ;  21cm. 
<br/><br/><label>ISBN: </label>9754031479 
<br/><br/><label>LC Class. No.: </label>PS3563 
<br/><br/><label>Dewey Class. No.: </label>813