TY  - RPRT
TI  - The calibration of an optical flat by interferometric comparison to a master optical flat 
AU  - Reeve, Charles P
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 75-975
DO  - 10.6028/NBS.IR.75-975
ER  -