Sefik İlkin Serengil, Murat Akın. "Attacking Turkish Texts Encrypted by Homophonic Cipher 4 Mart 2016 tarihinde Wayback Machine sitesinde arşivlendi." Proceedings of the 10th WSEAS International Conference on Electronics, Hardware, Wireless and Optical Communications, pp. 123–126, Cambridge, UK, February 20–22, 2011.
Sefik İlkin Serengil, Murat Akın. "Attacking Turkish Texts Encrypted by Homophonic Cipher 4 Mart 2016 tarihinde Wayback Machine sitesinde arşivlendi." Proceedings of the 10th WSEAS International Conference on Electronics, Hardware, Wireless and Optical Communications, pp. 123–126, Cambridge, UK, February 20–22, 2011.