@misc{1184106,
  author = {Robert E Berger and Nicholas J Calvano},
  title = {Methodology for choosing test parameters to evaluate protective headgear:},
  year = {1978},
  month = {1978-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.78-1547},
  language = {en},
}