Roddy, D. <br/><br/>
Radio and line transmission / 
by D. Roddy. 
 - [1st ed.]. 
 - Oxford ; New York :  Oxford ; New York :  Pergamon Press,  [1967-72] 
 - The Commonwealth and international library. Electrical engineering division .
<br/><br/><label>LCCN: </label>67018958 //r72 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>LC Class. No.: </label>TK5101  / .R57 
<br/><br/><label>Dewey Class. No.: </label>621.38