1. Interplanetary magnetic sector polarity from polar geomagnetic field observations;Friis-Christensen;Nature,1971
2. Localized abnormal geomagnetic disturbance near the geomagnetic pole and simultaneous ionospheric variations;Iwasaki;Rep. Ionos. Res. Space Res. Jap.,1971
3. New evidence of a relationship between magnetic fields in space and on earth;Mansurov;Geomagn. Aeron.,1969
4. The relationship between the magnetic fields in space and at the earth's surface;Mansurov;Ann. Geophys.,1970
5. Sector structure of the interplanetary magnetic field and daily variation of the geomagnetic field at high latitudes, Pap. 6;Svalgaard;Dan. Meteorol. Inst. Geophys.,1968