TY - GEN AU - Cullen, William C C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.10222 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Identification and prediction of aging properties of building materials: ER -