Aeronomie; communications presentees a la reunion de Toronto, September 1957  de l'Association internationale de geomagnétisme et d'aeronomie 

 - Paris  International Union of Geodesy and Geophysics   1959 
 - International Association of Geomagnetism and Aeronomy Bulletin; No. 16b .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Iaga Bulletin No.16bIaga BulletinIugg
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / IAGA