Hahn, Harley <br/><br/>
The internet  Yellow page 
Harley Hahn 
 - 2nd ed. 
 - U.S.A.  McGraw-Hill  1995 
 - 812 p.  pic.  25.3 cm 
 -  2 .
<br/><br/>Includes index (797-812 p.) 
<br/><br/><label>ISBN: </label>0-07-882098-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>knowledge<br/>Bilgi
<br/><br/><label>Dewey Class. No.: </label>001.433 HAH