TY  - RPRT
TI  - Experiment S-213 selenocentric geodetic reference system
AU  - Doyle, F. J.
AU  - Elassal, A. A.
AU  - Lucas, J. R.
PY  - 1976
UR  - https://ntrs.nasa.gov/citations/19770010029
ID  - 19770010029
ER  -