Collection of geomagnetic planetary indices Kp and derived daily indices, Ap and Cp, for the years 1932 to 1961
Bartels, Julius
Collection of geomagnetic planetary indices Kp and derived daily indices, Ap and Cp, for the years 1932 to 1961 Julius Bartels - Amsterdam North-Holland 1962 - vii, 188p. - IAGA bulletin; no. 18 .
Geomagnetism
Geomagnetism - observations
083:550.30 / IAGA-18
Collection of geomagnetic planetary indices Kp and derived daily indices, Ap and Cp, for the years 1932 to 1961 Julius Bartels - Amsterdam North-Holland 1962 - vii, 188p. - IAGA bulletin; no. 18 .
Geomagnetism
Geomagnetism - observations
083:550.30 / IAGA-18