1. A. BODE and E. GRAFAREND: The spacelike Molodenski problem including the rotational term of the gravity potential.Manuscripta Geodaetica 6 (1981), 33–61.
2. A. BODE and E. GRAFAREND: The telluroid mapping based on a normal gravity potential including the centrifugal term.Bolletino di Geodesia e Scienze Affini 41 (1982), 21–56.
3. E.H. BRUNS:Die Figur der Erde. Publ. Königl. Preuss. Geod. Inst., P. Stankiewicz Buchdruckerei, Berlin 1878.
4. A. DERMANIS and F. SANSO: A geodynamic boundary value problem.Bolletino di Geodesia e Scienze Affini 41 (1982), 65–87.
5. L. de WITTE: Truncation Errors in the Stokes and Vening Meinesz Formulæ for Different Order Spherical Harmonic Gravity Terms.Geophys. J. R. astr. Soc. 12 (1967), 449–464.