TY - GEN AU - Wollin, Harold F AU - Barbrow, Louis E AU - Heffernan, Ann P C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1979-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.532 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1979 TI - Report of the 63rd National Conference on Weights and Measures 1978: ER -