Singleton, Loy A <br/><br/>
Global Impact :  the new telecommunication techologies / 
Loy A. Singleton 
 - New York :  Haper & Row Publishers,  1989       
 - xii, 270 p. 
<br/><br/><label>ISBN: </label>0887302599 
<br/><br/><label>LC Class. No.: </label>TK 5101 S617g 1989