TY - BOOK AU - Fukushima, Naoshi, ed. ED - International Association of Geomagnetism and Aeronomy ED - IAGA Transactions of the General Assembly TI - Transactions of the XVIII general assembly, Hamburg, F.R.G., 1983 T2 - International Association of Geomagnetism and Aeronomy Bulletin; No. 49 PY - 1985/// CY - Paris PB - International Union of Geodesy and Geophysics KW - IuggIaga ER -