TY - GEN AU - Wilbur Larson C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MONO.144 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - The rotary-vane attenuator as an interlaboratory standard: ER -