TY - GEN AU - Chisholm, L J C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1966-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MP.272 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1966 TI - Report of the 50th National Conference on Weights and Measures 1965/: ER -