Claessens, S., & Hirt, C. (2015). A surface spherical harmonic expansion of gravity anomalies on the ellipsoid. Springer Verlag.
Chicago Style (17th ed.) CitationClaessens, Sten, and C. Hirt. A Surface Spherical Harmonic Expansion of Gravity Anomalies on the Ellipsoid. Springer Verlag, 2015.
MLA (9th ed.) CitationClaessens, Sten, and C. Hirt. A Surface Spherical Harmonic Expansion of Gravity Anomalies on the Ellipsoid. Springer Verlag, 2015.
Warning: These citations may not always be 100% accurate.