TY  - RPRT
TI  - Phase conjugate Twyman-Green interferometer for testing conicoidal surfaces
AU  - Shukla, R. P.
AU  - Dokhanian, Mostafa
AU  - Venkateswarlu, Putcha
AU  - George, M. C.
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19910070890
ID  - 19910070890
ER  -