Dordick S. Herbert <br/><br/>
Understanding modern telecommunications 
Herbert Dordick 
 - New York   McGraw-Hill Pub.  1986 
<br/><br/><label>ISBN: </label>0070176620 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>LC Class. No.: </label>TK 5101 .D67