TY - GEN AU - Mathey, Robert G AU - Watstein, D C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1957-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.5704 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1957 TI - Flexural tests of beams with reinforcement of different properties: ER -