3 treff

Hebeloma (Fr.) P. Kumm.
Henry J. Beker, Ursula Eberhardt, Jan Ves...
Bok Engelsk 2016
Cryptography and coding
edited by Henry J. Beker and F. C. Piper
Bok Engelsk 1989
Secure speech communications
Henry J. Beker, Fred C. Piper
Bok Engelsk 1985