@article{
  author = {Ettefaghi, E., Ahmadi, H., Rashidi, A., Mohtasebi, S.S.},
  title = {Investigation of Graphene Nanosheet Effect on the Engine Oil Properties as a Nano-lubricant},
  journal = {},
  year = {2013},
  volume = {5},
  number = {13},
  pages = {55-61},
  doi = {}
}