Programs and abstract of XVI IUGG general assembly, Grenoble, 1975 edited by Leroy R. Alldredge - Paris International Union of Geodesy and Geophysics 1975 - International Association of Geomagnetism and Aeronomy Bulletin; No. 36 . Subjects--Topical Terms: Iaga Bulletin No.36Iaga BulletinIugg Universal Decimal Class. No.: 550.38 / ALL