TY  - RPRT
TI  - Covering a sphere with retroreflectors
AU  - Clouse, D.
AU  - Liebe, C. C.
AU  - Padgett, C.
AU  - Bartman, R.
PY  - 2001
UR  - https://ntrs.nasa.gov/citations/20060033531
ID  - 20060033531
ER  -