Bates, Regis J.,  <br/><br/>
Voice and data communications handbook 

 - xxviii, 1074 pages :   illustrations ;   23 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0072131888 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication - Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>621.382