Abbatiello, Judy, ed. <br/><br/>
Telecommunications and data communications fact book 

 - New Jersey  McGraw-Hill  1987 
 - 325p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>76069656 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Handbook-- Telecommunications<br/>Telecommunications -- Handbook data communications -- Handbook