@misc{176971,
  author = {Carl Miller and T Heimer and E Early},
  title = {National Calibration Facility for Retroreflective Traffic Control Materials--Phase 1},
  year = {2002},
  month = {2002-09-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}