@misc{RittnerMeckesGloesekoetteretal.2010,
  author    = {W. Rittner and R. Meckes and P. Gl{\"o}sek{\"o}tter and C. Bauer},
  title     = {Oxygen breathing device with redundant signal transmission},
  institution = {Elektrotechnik und Informatik (ETI)},
  type      = {norm},
  year        = {2010},
}