FRASER, W. <br/><br/>
Telecommunications 

 - 2nd ed 
 - London  The English Language Book Soc  iety & Macd1970 
 - xii, 803p. 
<br/><br/><label>ISBN: </label>0 356 03772 X 
<br/><br/><label>Dewey Class. No.: </label>621.382