Le noyau terrestr  communications presentees a la seance commune tenue a Rome le 20 septembre 1954 

 - Paris  International Union of Geodesy and Geophysics  1955 
 - International Association of Geomagnetism and Aeronomy Symposium; No. 15a .
<br/><br/><label>Subjects--Topical Terms: </label><br/>IuggIaga
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / IAGA