@article{shirali2008text,
  author  = {Shirali-Shahreza, Mohammad and Shirali-Shahreza, Sajad},
  title   = {Text Steganography Using Ligatures},
  journal = {International Reviews on Computers and Software},
  volume  = {3},
  number  = {4},
  pages   = {418--423},
  year    = {2008},
  month   = jul,
  url	  = {https://www.praiseworthyprize.org/latest_issues/IRECOS-latest/IRECOS_vol_3_n_4.html#Text_Steganography_Using_Ligatures}
}