Pierce, John Robinson,  1910- <br/><br/>
Signals :  the telephone and beyond / 
John R. Pierce. 
 - San Francisco :  W.H. Freeman,  c1981. 
 - viii, 181 p.  ill.  25 cm 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>Dewey Class. No.: </label>621.38