TY - BOOK ED - International Association of Geomagnetism and Aeronomy ED - Le noyau terrestre TI - Le noyau terrestr: communications presentees a la seance commune tenue a Rome le 20 septembre 1954 T2 - International Association of Geomagnetism and Aeronomy Symposium; No. 15a PY - 1955/// CY - Paris PB - International Union of Geodesy and Geophysics KW - IuggIaga ER -