Brown, J. <br/><br/>
Telecommunications 
J. Brown and E.V.D Glazier 
 - London:  Chapman and Hall Ltd,  1964. 
 - x, 382p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0412122103 0412122200 
<br/><br/><label>Dewey Class. No.: </label>621.38