Radio amateur's handbook 

 - 28th ed. 
 - Connecticut:   American Radio Relay League Inc,   1942 
 - 98p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Handbook
<br/><br/><label>Subjects--Index Terms: </label>Power generation 
<br/><br/><label>Universal Decimal Class. No.: </label>621.396(02)  / H3