1. Menezes, A. J., Oorschot, P. C. V., & Vanstone, S. A. (1997). Handbook of applied cryptography. Boca Raton: CRC Press.
2. Stinson, D. R. (2005). Cryptography: Theory and practice. Boca Raton: CRC Press.
3. Schneier, B. (1996). Applied cryptography: Protocols algorithms and source code in C. New York: Wiley.
4. Knudsen, L. R., & Robshaw, M. (2011). The block cipher companion. Berlin: Springer.
5. Ozkaynak, F., & Sirma, Y. (2013). Designing chaotic S-boxes based on time-delay chaotic system. Nonlinear Dynamics, 74(3), 551–557.