@article{
  author = {karamian, mahnaz, hosseini, vahid},
  title = {Effect of trees canopy and topography on some chemical properties of forest soil (Case Study: The forest of Ilam province, Dalab)},
  journal = {Natural Ecosystems of Iran},
  year = {2016},
  volume = {7},
  number = {1},
  pages = {81-97},
  doi = {}
}