Informatyk, kryptolog.

Information security : first International Workshop, ISW'97, Tatsunokuchi, Ishikawa, Japan, September 17-19, 1997 : proceedings / Eiji Okamoto, George Davida, Masahiro Mambo (eds). - Berlin, cop. 1998. (Dept. of Electrical Eng. & Computer Sci., Univ. of Wisconsin-Milwaukee)

LCA online

Information security : 4th International Conference, ISC 2001, Malaga, Spain, October 1-3, 2001 : proceedings / George I. Davida, Yair Frankel (eds). - Berlin, cop. 2001.