Codes and Ciphers: Julius Caesar, the Enigma, and the Internet Autor R. F. Churchhouse 5 dec 2001 Paperback Preț: 368.81 lei 6-8 săpt.
The Influence of Computers and Informatics on Mathematics and its Teaching: Proceedings From a Symposium Held in Strasbourg, France in March 1985 and Sponsored by the International Commission on Mathematical Instruction ICMI Studies Editat de R. F. Churchhouse et al. 30 ian 1986 Paperback Preț: 305.94 lei 6-8 săpt.