Brown, G.M. <br/><br/>
Progress in Radio Science 1966-1969   : Ionosphere, Magnethosphere, Radio Noise 

 - Brussels:  International Union of Radio Science  1970 
 - 425p. :   il; 23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioastronomía