TY - GEN AU - Schoonover, R M AU - Ku, H H AU - Whetstone, J R AU - Houser, J F C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.75-900 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - Liquid level instrumentation in volume calibration: ER -