@article{
  author = {Zare, K., Sadjadi, M. S., Enhessari, M., Khanahmadzadeh, S.},
  title = {Synthesis and Characterization of PbTiO3 Nanopowders by Citric Acid Gel Method},
  journal = {Journal of Physical & Theoretical Chemistry},
  year = {2009},
  volume = {6},
  number = {1},
  pages = {9-12},
  doi = {}
}