TENZER, R., A. ABDALLA, P. VAJDA, and K. HAMAYUN. “The Spherical Harmonic Representation of the Gravitational Field Quantities Generated by the Ice Density Contrast”. Contributions to Geophysics and Geodesy, Vol. 40, no. 3, Dec. 2010, pp. 207-23, doi:10.2478/v10126-010-0009-1.