Lewis, Geoffrey E. <br/><br/>
Communications technology handbook 
Geoff Lewis. 
 - 2nd ed. 
 - Oxford ;  Boston, Mass.  Butterworth-Heinemann  1997. 
 - ix, 467 p.  ill.  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0240514610 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Handbooks, manuals, etc.