@article{432741,
      url = {http://digitallibrary.un.org/record/432741},
      title = {Questionnaire. Part A responses : regulations and general  data on road tunnel safety},
      publisher = {UN,},
      abstract = {Includes questionnaire as well as replies received from 22  member countries.},
      recid = {432741},
      pages = {11 p. :},
      address = {Geneva :. 2001-01-08},
      year = {2001},
      month = {Jan},
}