Dulin John J. <br/><br/>
Electronic Communications 

 -  TAB Books Blue Ridge Summit PA.  1990 
 - 690p 
<br/><br/><label>ISBN: </label>0830633650 
<br/><br/><label>LCCN: </label>nam a22     7a 4500 
<br/><br/><label>Dewey Class. No.: </label>621.382/DUL/1990