@inproceedings{shirali2009covert,
  author    = {Shirali-Shahreza, M. and Shirali-Shahreza, S.},
  title     = {Covert Communication via {YouTube} Website},
  booktitle = {Proceedings of the Second Conference on Electronic City (ECity 2009)},
  address   = {Tehran, Iran},
  month     = may,
  year      = {2009},
  pages     = {1573--1578},
  note      = {In Persian},
  url		= {https://civilica.com/doc/71991/}
}