@article{173373,
      url = {http://digitallibrary.un.org/record/173373},
      title = {Manual on transport projects appraisal in the ESCWA  region. Volume 1, General appraisal methodology.},
      publisher = {UN ESCWA,},
      recid = {173373},
      pages = {x, 106 p. :},
      address = {[Amman] :. 1990-04-08},
      year = {1990},
      month = {Apr},
}