TY - GEN AU - Pendergast, W L AU - Tuma, E C AU - Foster, Bruce C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1959-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.6475 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1959 TI - Evaluation of refractory qualities of concretes for jet aircraft warm up, power check, maintenance aprons, and runways: ER -