@misc{1185566, author = {Nicholas J Calvano}, title = {Considerations in establishing performance criteria for structural firefighters' helmets:}, year = {1977}, month = {1977-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.77-1251}, language = {en}, }