TY  - RPRT
TI  - Optical nulling apparatus and method for testing an optical surface
AU  - Olczak, Eugene
AU  - Hannon, John J.
AU  - Dey, Thomas W.
AU  - Jensen, Arthur E.
PY  - 2008
UR  - https://ntrs.nasa.gov/citations/20080020429
ID  - 20080020429
ER  -