Problemes de la physique de la haute atmospheere; communications preesenteees aa la reeunion aa Rome, septembre 1954, de l'Association internationale de magneetisme et eelectricitee terrestres 

 - Paris  International Union of Geodesy and Geophysics  1956 
 - International Association of Geomagnetism and Aeronomy Symposium; No. 15b .
<br/><br/><label>Subjects--Topical Terms: </label><br/>IuggIaga
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / IAGA