@misc{indiciae72018c888f48,
  title = {Integral Face Shield Concept for Firefighter's Helmet},
  author = {Abeles, F. and Hansberry, E. and Himel, V.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19810000361},
  note = {Source identifier: 19810000361}
}