TY - GEN AU - Son, B C AU - Shoub, H C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1973-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.73-173 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1973 TI - Fire endurance tests of double module walls of gypsum board and steel studs: ER -