DeRobertis, E. D. P. <br/><br/>
Telecommunications: A businessman's guide 

 - London  Kogan Page  1983 
 - 190p. 
<br/><br/><label>ISBN: </label> RS 123.00 
<br/><br/><label>Source: </label> RS 123.00 
<br/><br/><label>Dewey Class. No.: </label>621.38024658 DER