TY - GEN AU - T W Reichard AU - D Watstein C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1957-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.5624 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1957 TI - Insulating concretes ::interim report no. 1 ER -