TY - GEN AU - Weidt, John L C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.1131 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Field investigation of the performance of residential retrofit insulation: ER -