Progress in radio science 1960-1963:  8v.; v3. ionosphere, v7. radioelectronics, v8. space radio science. 

 - Amsterdam  Elsevier  1965 
<br/><br/><label>Subjects--Index Terms: </label>Radio 
<br/><br/><label>Dewey Class. No.: </label>621.3841  / PRO