TY - GEN AU - Irwin, Lafayette K C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1977-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.484v2 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1977 TI - Flow measurement in open channels and closed conduits Volume 2: ER -