@article{
  author = {Yazdani, Mohammad Hasan, Ghafari Gilande, Ata, Aftab, Ahmad},
  title = {Investigating Spatial Distribution of Population in Urban System of Huge Area, Azerbaijan},
  journal = {Journal of Geography and Environmental  Studies},
  year = {2015},
  volume = {4},
  number = {14},
  pages = {99-116},
  doi = {}
}