Progress in radio science 1960-63  vol. 3 
edited by Geoffery M. Brown 
 - Amsterdam  Elsevier  1965 
 - 196p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ionosphere
<br/><br/><label>Universal Decimal Class. No.: </label>551.510.5  / BRO-III