@article{SchuppHermannBoltetal.2005,
  author    = {Schupp, Thomas and Hermann, M and Bolt, Jan and Hengstler, G},
  title     = {Maximum exposure levels for xylene, formaldehyde and acetaldehyde in cars.},
  series = {Toxicology},
  volume    = {206},
  journal   = {Toxicology},
  number    = {3},
  pages     = {461 -- 470},
  year      = {2005},
  language  = {en}
}
@article{SchuppHermannBoltetal.2006,
  author    = {Schupp, Thomas and Hermann, M and Bolt, Rudolph and Jaeckh, Jan and Hengstler, G},
  title     = {Benzene and its methyl-derivatives: derivation of maximum exposure levels in automobiles.},
  series = {Toxicology Letters},
  volume    = {160},
  journal   = {Toxicology Letters},
  pages     = {93 -- 104},
  year      = {2006},
  language  = {en}
}