TY - GEN AU - W J Parker AU - D C Brackett AU - R E Willard AU - R H Zile C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1973-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.73-139 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1973 TI - A preliminary investigation of the effect of humidity on the ignition, heat release, and smoke density tests for typical room finishing materials: ER -