@misc{1185481, author = {Harold E Nelson}, title = {Directions to improve application of systems approach to fire protection requirements for buildings:}, 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.77-1273}, language = {en}, }