Herrick, Clyde N. <br/><br/>
Introduction to electronic communications/ 
Clyde N. Herrick 
 - Columbus:  Charles E. Merrill Pub:  cc1969 
 - xiv, 688 p.;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 11.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Modulation (Elecatronics)<br/>Information theory<br/>Television
<br/><br/><label>Dewey Class. No.: </label>621.38