TY - GEN AU - Unger, Peter S C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1985-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.85-3137 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1985 TI - NVLAP assessment and evaluation manual: ER -