A second international symposium on equatorial aeronomy will be held in the State of Sao Paulo, Brazil, during the period September 6-17, 1965 
edited by F. D'Mendonca   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equatorial Aeronomy
<br/><br/><label>Universal Decimal Class. No.: </label>551.510.53(063)  / D'MEN