Blake, Roy <br/><br/>
Comprehensive electronic communication / 
Roy Blake 
 - Minneapolis :  West Publishing Company,   1997. 
 - xviii, 792 pages :  color illustrations ;  26 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>031420108 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>LC Class. No.: </label>TK 5101 B52 1997 CIRC