TY  - BOOK
AU  - Bartels, Julius
AU  - Romana, A.Veldkamp, J.
ED  - International Association of Geomagnetism and Aeronomy
TI  - Geomagnetic data 1958: indices K and C
T2  - International Association of Geomagnetism and Aeronomy; No. 12m1
PY  - 1962///
CY  - Amsterdam
PB  - International Union of Geodesy and Geophysics 
KW  - Iaga Bulletin No.12m1Iaga Bulletin-dataIaga IndicesIugg
ER  -