Braun, Gerhard <br/><br/>
Planning and engineering of shortwave links 
Gerhard Braun 
 - London  Heyden  1982 
 - 329p.  ill.  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shortwave radio
<br/><br/><label>Dewey Class. No.: </label>621.3841  / 51