Definitive IGRF models for 1945, 1950, 1955, and 1960.

R. A. Langel(Goddard Space Flight Center), R. H. Estes, D. J. Kerridge(British Geological Survey), Terence J. Sabaka(Goddard Space Flight Center), V. P. Golovkov(Institute of Terrestrial Magnetism Ionosphere and Radio Wave Propagation), D. R. Barraclough(British Geological Survey)
Journal of geomagnetism and geoelectricity
January 1, 1988
Cited by 27


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