@misc{1181481,
  author = {Stephen T Margulis},
  title = {Building accessibility in relation to door hardware, door users, and door use:},
  year = {1981},
  month = {1981-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.80-2174},
  language = {en},
}