Defocus measurement using a liquid crystal point diffraction interferometer
By: Carolyn R. Mercer and Katherine Creath.
Contributors: Creath, Katherine.; United States. National Aeronautics and Space Administration.
Series: NASA technical memorandum -- 106687.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1994
Place of publication: [Washington, DC]; [Springfield, Va
Language: eng
Format: Microform
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 95-0057-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1994] 1 microfiche.