TY - GEN AU - Kamas, George AU - Lombardi, Michael A C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1988-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.250-29 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1988 TI - Traceable frequency calibrations ::how to use the NBS Frequency Measurement System in the calibration lab ER -