@article{
  author = {Abedi, Zahra, Atab, Farideh i, Soofi, Mohammad},
  title = {Investigation on Social Benefits of Substitution of Gasoline with CNG in Tehrans Taxis},
  journal = {Journal of Environmental Science and Technology},
  year = {2011},
  volume = {13},
  number = {3},
  pages = {39-48},
  doi = {}
}