TY - GEN AU - Helen K Middleton C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1960-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MP.231 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1960 TI - Hydraulic research in the United States 1960/: ER -