@misc{1189871, author = {Charles P Reeve and Ralph C Veale}, title = {A survey of the stability of optical flats:}, year = {1973}, month = {1973-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.73-232}, language = {en}, }