@article{
  author = {Gilanipour, نجیبه, Arya, حمید},
  title = {Economic Evaluation LTT-100A skidding system in upward},
  journal = {Natural Ecosystems of Iran},
  year = {2014},
  volume = {5},
  number = {1},
  pages = {75-84},
  doi = {}
}