@misc{1197021,
  author = {Ruth N Varner and Carol F Vezzetti},
  title = {Standard Reference Materials ::Bright-chromium linewidth standard, SRM 476, for calibration of optical microscope linewidth measuring systems/},
  year = {1991},
  month = {1991-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.260-114},
  language = {en},
}