TY  - RPRT
TI  - Position location and data collection system and method Patent
AU  - Hilton, G. E.
AU  - Hollenbaugh, R. C.
AU  - Laughlin, C. R., Jr.
AU  - Lavigne, R. C.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19710006615
ID  - 19710006615
ER  -