1. J.D. ANDERSON (1964): “Theoretical Basis of the JPL Orbit Determination Program”.JPL TM 312-409, Pasadena.
2. U.A. UOTILA (1967):Introduction to Adjustment Computations with Matrices. The Ohio State University, Department of Geodetic Science, unpublished.
3. H.B. PAPO (1971): “Optimal Selenodetic Control”. The Ohio State University,Department of Geodetic Science, Report No. 156.