@misc{indiciae09a6a59c9b2d,
  title = {[Respirators with logic systems with and without mobile elements].},
  author = {B Giardina and A De Renzo},
  year = {1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/5249357/},
  note = {Source identifier: 5249357}
}