1. Abramowitz M, Stegun IA (1972) Handbook of mathematical functions with formulas, graphs, and mathematical tables. Tenth Printing, National Bureau of Standards, Department of Commerce, Washington DC, USA, p 1046
2. Ardalan AA, Grafarend EW (2004) High-resolution regional geoid computation without applying Stokes’s formula: a case study of the Iranian geoid. J Geodesy 78:138–156
3. Arfken GB, Weber HJ (2005) Mathematical methods for physicists, 6th edn. Elsevier Academic Press, New York, p 1182
4. Balakin AB, Daishev RA, Murzakhanov ZG, Skochilov AF (1997) Laser-interferometric detector of the first, second and third derivatives of the potential of the Earth gravitational field. Izvestiya vysshikh uchebnykh zavedenii, seriya Geologiya i Razvedka 1:101–107
5. Bell RE, Anderson RN, Pratson LF (1997) Gravity gradiometry resurfaces. Lead Edge 16:55–60