TY - GEN AU - Wollin, Harold F C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1978-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.517 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1978 TI - Report of the 62nd national conference on weights and measures 1977: ER -