TY  - RPRT
TI  - Spaceborne earth applications ranging system /SPEAR/
AU  - Vonbun, F. O.
AU  - Kahn, W. D.
AU  - Argentiero, P. D.
AU  - Koch, D. W.
PY  - 1977
UR  - https://ntrs.nasa.gov/citations/19770057972
ID  - 19770057972
ER  -