@article{
  author = {Banieghbal, nahid, Bozorgi, ashraf asadat, ramezani, aboozar},
  title = {A survey on structured abstracts in the Journal of Library and Documentation Center of Tehran University},
  journal = {Journal of Knowledge Studies},
  year = {2011},
  volume = {4},
  number = {12},
  pages = {1-15},
  doi = {}
}