TY  - RPRT
TI  - Preliminary concept for lunar exploration tracking and data acquisition and data processing systems
AU  - Hei, Donald, Jr.
AU  - Shapiro, Phillip S.
AU  - Messing, Frederic
AU  - Jacobsen, Alan
AU  - Bruno, Ronald
PY  - 1989
UR  - https://ntrs.nasa.gov/citations/19900026508
ID  - 19900026508
ER  -