@misc{171846,
  author = {Yoshihiro Ohno and T Goodman and G Sauter},
  title = {Trilateral Intercomparison of Photometric Units Maintained at NIST (USA), NPL (UK), and PTB (Germany)},
  year = {1999},
  number = {104 No. 1},
  month = {1999-01-01},
  publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}