@inproceedings{PucherPucher,
  author    = {Pucher, Robert and Pucher, Karl},
  title     = {Air Quality in Road Tunnels in Normal Operation and Fire Conditions},
  series = {Book of Abstracts IV INTERNATIONAL CONFERENCE / AIR / TECHNOLOGICAL, SOCIAL AND ECONOMIC PROBLEMS OF AIR ENVIRONMENT / June 9-11 2004 / St. Petersburg (Russia)},
  booktitle = {Book of Abstracts IV INTERNATIONAL CONFERENCE / AIR / TECHNOLOGICAL, SOCIAL AND ECONOMIC PROBLEMS OF AIR ENVIRONMENT / June 9-11 2004 / St. Petersburg (Russia)},
  subject      = {Air},
  language  = {en}
}
@misc{PucherPucher,
  author    = {Pucher, Robert and Pucher, Karl},
  title     = {Air Quality in Road Tunnels in Normal Operation and Fire Conditions},
  subject      = {Air},
  language  = {en}
}