@misc{1197006, author = {Ruth N Varner and Carol F Vezzetti}, title = {Standard Reference Materials ::Antireflecting-chromium linewidth standard, SRM 475, for calibration of optical microscope linewidth measuring systems/}, year = {1992}, month = {1992-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.260-117}, language = {en}, }