TY - GEN AU - Paul P B Brooks C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1962-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MONO.39 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1962 TI - Calibration procedures for direct-current resistance apparatus: ER -