TY - GEN AU - Ohno, Yoshihiro AU - Goodman, T AU - Sauter, G C2 - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD DA - 1999-01-01 LA - en M1 - 104 No. 1 PB - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD PY - 1999 TI - Trilateral Intercomparison of Photometric Units Maintained at NIST (USA), NPL (UK), and PTB (Germany) ER -