@article{
  author = {Mashrafi, سهیل, Eslami, M.B},
  title = {Investigation of acidic water generated coal washing plant tailing in
central Alborz- Zirab in order to decrease its environmental effects},
  journal = {},
  year = {2009},
  volume = {3},
  number = {2},
  pages = {81-94},
  doi = {}
}