TY - GEN AU - James E Potzick C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1997-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.260-129 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1997 TI - Standard Reference Materials ::Antireflecting-chromium linewidth standard, SRM 473, for calibration of optical microscope linewidth measuring systems/ ER -