A VIBRATION OF GEOMAGNETIC AXIS AROUND GEOGRAPHIC NORTH POLE IN HISTORIC TIME

[11] NAGATA T, 1964, J GEOMAGN GEOELECTR, V16, P210

[12] THELLIER E, 1951, CR HEBD ACAD SCI, V233, P1476

[13] Vestine EH., 1963, J GEOMAGN GEOELECTR, V15, P47, DOI [10.5636/jgg.15.47, DOI 10.5636/JGG.15.47]

[14] YUKUTAKE T, 1962, B EARTHQ RES I TOKYO, V40, P1

[11] NAGATA T, 1964, J GEOMAGN GEOELECTR, V16, P210

[12] THELLIER E, 1951, CR HEBD ACAD SCI, V233, P1476

[13] Vestine EH., 1963, J GEOMAGN GEOELECTR, V15, P47, DOI [10.5636/jgg.15.47, DOI 10.5636/JGG.15.47]

[14] YUKUTAKE T, 1962, B EARTHQ RES I TOKYO, V40, P1