TY - BOOK AU - Bartels, Julius AU - Romana, A.Veldkamp, J. ED - International Association of Geomagnetism and Aeronomy TI - Geomagnetic data 1959: rapid variations T2 - International Association of Geomagnetism and Aeronomy; No. 12n2 PY - 1963/// CY - Amsterdam PB - International Union of Geodesy and Geophysics KW - Iaga Bulletin No.12n2Iaga Bulletin-dataIaga IndicesIugg ER -