Willis, D. M. A direct analytic method of calculating the quadrupole parameters of a planetary magnetic field. (English) Zbl 0482.70013 Geophys. J. R. Astron. Soc. 68, 751-764 (1982). MSC: 70F15 78A55 65H10 PDFBibTeX XMLCite \textit{D. M. Willis}, Geophys. J. R. Astron. Soc. 68, 751--764 (1982; Zbl 0482.70013)
Willis, D. M.; Osborne, A. D. Quadrupole and octupole parameters of Jupiter’s main magnetic field. (English) Zbl 0481.70011 Geophys. J. R. Astron. Soc. 68, 765-776 (1982). MSC: 70F15 85A99 78-05 78A30 65H10 PDFBibTeX XMLCite \textit{D. M. Willis} and \textit{A. D. Osborne}, Geophys. J. R. Astron. Soc. 68, 765--776 (1982; Zbl 0481.70011)