Larsen, Egon <br/><br/>
Tele communications:  a history / 
Egon Larsen; illustration by Peter Bridgewater 
 - London,  Frederick Muller,  c1977 
 - 86 p:  ill., plates;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0584102984  £ 2.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--History<br/>Telecommuniting<br/>Information theory
<br/><br/><label>Dewey Class. No.: </label>621.3809