Whetmore, Edward Jay. <br/><br/>
American electric :  introduction to telecommunications and electronic media / 
Edward Jay Whetmore. 
 - New York :  McGraw-Hill,  c1992. 
 - x, 534 p. :  ill. (some col.) ;  24 cm. 
 - McGraw-Hill series in mass communication .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070699984 
<br/><br/><label>LCCN: </label>90049510  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Broadcasting--United States.
<br/><br/><label>LC Class. No.: </label>HE8689.8  / .W44 1992 
<br/><br/><label>Dewey Class. No.: </label>384.540973  / WHE