TY - GEN AU - Arnold, T AU - Marshall, J C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2002-11-09 05:11:00 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2002 TI - NIST Calibration Services Users Guide: Time and Frequency Measurements (NIST SP 250 2002 ED) UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=200198 ER -