@article{
  author = {Vafaee, Mohammad Reza, Mashhadi Meighani, hamid, Almasi, mortaza, Minaee, saeed},
  title = {Choosing the best method of estimating reliability parameter for grain harvesting machines in Markazi province, Iran},
  journal = {Agroecology Journal},
  year = {2009},
  volume = {5},
  number = {2},
  pages = {143-151},
  doi = {}
}