TY  - RPRT
TI  - Spherical harmonic analyses for the spheroidal earth.
AU  - Kahle, A. B.
AU  - Kern, J. W.
AU  - Vestine, E. H.
PY  - 1964
UR  - https://ntrs.nasa.gov/citations/19660031325
ID  - 19660031325
ER  -