Brown, Ron <br/><br/>
Telecommunications :  the booming technology / 
Ronald Brown. 
 - London :  Aldus Books,  c1969. 
 - 191 p. :  ill. (some col.). 
 - Aldus science and technology series .
<br/><br/><label>ISBN: </label>0490001297 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.