TY  - RPRT
TI  - High resolution gravity models combining terrestrial and satellite data
AU  - Rapp, Richard H.
AU  - Pavlis, Nikolaos K.
AU  - Wang, Yan M.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19930071963
ID  - 19930071963
ER  -