Meadows, Richard <br/><br/>
An Introduction to Communication Systems/ 

 - London  Stanley Thornes Ltd.  1990 
 - viii,213p.:  ill.; 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0748704191 
<br/><br/><label>LC Class. No.: </label>TK5103  / .M461 1990