@misc{1172686, author = {J V Ryan and E W Bender}, title = {Fire tests of precast cellular concrete floors and roofs:}, year = {1962}, month = {1962-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.MONO.45}, language = {en}, }