TY - GEN AU - Son, B C C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1972-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.73-135 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1972 TI - Fire endurance tests of steel sandwich panel exterior wall and roofceiling constructions: ER -