TY - GEN AU - Gingrich, Nicole AU - Patterson, Isaac C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2018-08-01 04:08:00 DO - https://doi.org/10.6028/NIST.EAB.11 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2018 TI - NIST customer demographics: calibrations: ER -