@article{
  author = {Akbari, Afshin, Mohammadi, Omid},
  title = {Ultimate pit limits determination of Sarcheshmeh Coppor Mine based on risk free valuation criterion for accsess to sustainable development},
  journal = {},
  year = {2016},
  volume = {10},
  number = {35},
  pages = {39-53},
  doi = {}
}