TY - GEN AU - Robert M Graham AU - Jeff C Gust C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2004-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.960-12e1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2004 TI - NIST recommended practice guide ::stopwatch and timer calibrations (2004 edition)/ ER -