共 6 条
[1]
AN EVALUATION OF MAIN GEOMAGNETIC FIELD 1940-1962
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1965, 70 (15)
:3647-+
[2]
JAMES RW, 1967, PURE APPL GEOPHYS, V68, P183
[3]
AN ANALYTICAL REPRESENTATION OF ESTIMATED GEOMAGNETIC FIELD AND ITS SECULAR CHANGE FOR EPOCH 1965.0
[J].
JOURNAL OF GEOMAGNETISM AND GEOELECTRICITY,
1965, 17 (3-4)
:187-&
[4]
MAIN CHARACTERISTICS OF RECENT GEOMAGNETIC SECULAR VARIATION
[J].
JOURNAL OF GEOMAGNETISM AND GEOELECTRICITY,
1965, 17 (3-4)
:263-+
[5]
NAGATA T, 1962, P BENEDUM EARTH MAGN, P39
[6]
VESTINE EH, 1947, 580 CARN I WASH PUBL