@conference{124721,
  author = {Yoshihiro Ohno and M Navarro},
  title = {Improved Photometric and Colorimetric Calibrations at NIST},
  year = {1997},
  month = {1997-01-01},
  publisher = {1997 Natl Conf. of Standards Laboratories Workshop & Symp. , Atlanta, GA},
  language = {en},
}