Some ionospheric results obtained during the international geophysical year 
edited by W. J. G. Beynon                                        
 - Amsterdam  Elsevier  1960 
 - xi, 399p. 
<br/><br/><label>ISBN: </label>NO 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Geophysics<br/>Ionosphere
<br/><br/><label>Universal Decimal Class. No.: </label>551.510.5  / SOM