@misc{1167581, author = {J V Ryan}, title = {Fire endurance tests of four bulkhead assemblies:}, year = {1957}, month = {1957-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.5448}, language = {en}, }