TY - GEN AU - Robertson, A F AU - Ryan, J V C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1958-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.6105 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1958 TI - Proposed criterion for defining load failure of beams, floors, and roof constructions during fire test: ER -