ŠPRLÁK, Michal. “Generalized Geoidal Estimators for Deterministic Modifications of Spherical Stokes’ Function”. Contributions to Geophysics and Geodesy 40, no. 1 (June 9, 2010): 45–64. Accessed February 6, 2026. https://journal.geo.sav.sk/cgg/article/view/28.