TY - GEN AU - Knab, Lawrence AU - Matheu, Robert AU - Jenkins, David C2 - Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD DA - 1981-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.BSS.131 LA - en PB - Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD PY - 1981 TI - Laboratory evaluation of nondestructive methods to measure moisture in built-up roofing systems: ER -