Schwartz, Martin,  1923- <br/><br/>
Commercial radio operator theory course.  [electronic resource]  

 - Williston Park, N.Y.,  AMECO Pub. Corp.  [1972] 
 - 448 p.  illus.  23 cm. 
<br/><br/><label>LCCN: </label>70181771  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Examinations, questions, etc.<br/>Radio operators--United States.
<br/><br/><label>LC Class. No.: </label>TK6554.5  / .S349 
<br/><br/><label>Dewey Class. No.: </label>621.3841