Pooch, Udo W Greene, William H Moss, Gary G <br/><br/>
Telecommunications and Networking  

 - Boston  Little, Brown and Company  1983 
 - 24X19 
<br/><br/><label>ISBN: </label>0316714984 
<br/><br/><label>Dewey Class. No.: </label>621.38415 P821