TY - GEN AU - A Wexler AU - R W Hyland AU - S Hasegawa C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1991-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.4677 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1991 TI - NIST calibration services for humidity measurement: ER -