@misc{1189921,
  author = {Norman F Somes},
  title = {Abnormal loading on buildings and progressive collapse:},
  year = {1973},
  month = {1973-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.73-221},
  language = {en},
}