@article{
  author = {سلیمانی, Mohammad, رعیت دوست, سعیده},
  title = {  Effect of multi-walled carbon nanotubes to improve  hydrocarbon wells annular clearance space  },
  journal = {Iranian Journal of  Petroleum Geology},
  year = {2016},
  volume = {1},
  number = {2},
  pages = {1-10},
  doi = {}
}