Schoenbeck, Robert J..  <br/><br/>
Electronic Communications :   Modulation and Transmission /  
Schoenbeck Robert J.. 
 - 2 edition. 
 - New York :   Macmillan,   1992. 
 - XXIV, 645 s.:   il.;   24 cm. 
<br/><br/><label>ISBN: </label>0029465524