1. Lambert, Walter D., andDarling, Frederic W., Tables for Determining the Form of the Geoid and its Indirect Effect on Gravity,Special Publication No 199, U. S. Coast and Geodetic Survey (p. 114–117).
2. Stokes, George Gabriel, Mathematical and Physical Papers, Vol. II, p. 131.
3. Loc. cit.,Stokes, George Gabriel, Mathematical and Physical Papers, Vol. II, p. 170.
4. Tolstoi, Ivan, Punched-card Computation of Isostatic and Topographic Reductions,Transactions of the American Geophysical Union, Vol. 28, no 6, Dec. 1947.
5. Vening Meinesz, F. A., A formula expressing the deflection of the plumb line in the gravity anomalies and some formulae for the gravity-field and the gravity-potential outside the geoid,Koninklijke Akademie van Wetenschappen te Amsterdam, Proceedings, Vol. XXXI, no 3.