TY - GEN AU - James V Ryan C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1965-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.8616 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1965 TI - Performance characteristics of exterior walls ::progress report for period July 1 - December 31, 1964 ER -