TY - GEN AU - Karen L. Hansen Lichtfuss C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2016-08-01 04:08:00 DO - https://doi.org/10.6028/NIST.IR.8104-08 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2016 TI - NIST Time and Frequency Bulletin: August 2016: ER -