Du caster Francois <br/><br/>
Tropospheric radiowave propagation beyond the horizon 
by Du caster Francois 
 -  1966 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>71684 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering
<br/><br/><label>Dewey Class. No.: </label>D666:2, K6