TY  - RPRT
TI  - A Phase Shifting and Nulling Interferometer for TPF
AU  - Velusamy, T.
AU  - Beichman, C.
AU  - Shao, M.
AU  - Yorke, H.
PY  - 1999
UR  - https://ntrs.nasa.gov/citations/20060032266
ID  - 20060032266
ER  -