TY - BOOK AU - Sabben, D. Van, ed. ED - International Association of Geomagnetism and Aeronomy TI - Geomagnetic data 1976: indices, rapid variations, special intervals T2 - International Association of Geomagnetism and Aeronomy Bulletin; No. 32g PY - 1977/// CY - Paris PB - International Union of Geodesy and Geophysics KW - Iaga Bulletin No.32gIaga Bulletin-dataIaga IndicesIugg ER -