Spherical harmonic expansions of the earth's gravitational potential to degree 360 using 30' mean anomalies [electronic resource] / by Richard H. Rapp and Jaime Y. Cruz.
Imprint
Columbus, Ohio : The Ohio State University, Dept. of Geodetic Science and Surveying ; Greenbelt, Md. : National Aeronautics and Space Administration, Goddard Space Flight Center, [1986]
