Welschenbach, M. Cryptography in C and C++ [Đĩa CD-ROM]. New York: Springger-Verlag.

Welschenbach, Michael. Cryptography in C and C++ [Đĩa CD-ROM]. New York: Springger-Verlag.

Welschenbach, Michael. Cryptography in C and C++ [Đĩa CD-ROM]. New York: Springger-Verlag.