TY  - RPRT
TI  - Wide-Angle, Flat-Field Telescope
AU  - Hallam, K. L.
AU  - Howell, B. J.
AU  - Wilson, M. E.
PY  - 1987
UR  - https://ntrs.nasa.gov/citations/19870000064
ID  - 19870000064
ER  -