Steady induction effects in geomagnetism. Part 1C, Geomagnetic estimation of steady superficial core motions--application to the definitive geomagnetic reference field models [microform] / Coerte V. Voorhies
原資料の出版事項: [Washington, DC] ; [Springfield, Va. : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program : National Technical Information Service, distributor], 1993