@article{
  author = {Mozafari Maref, M. H., Zahiri, Seyed-Hamid},
  title = { Unsupervised Image Clustering Using Central Force Optimization Algorithm Unsupervised Image Clustering Using Central Force Optimization Algorithm},
  journal = {Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran},
  year = {2013},
  volume = {11},
  number = {2},
  pages = {52-57},
  doi = {}
}