Bremmer H <br/><br/>
Terrestrial radio wabes:theory of propagation 

 -  1949 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>71678 
<br/><br/><label>Source: </label> Annuals, Advances 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering
<br/><br/><label>Dewey Class. No.: </label>D666:2, H9