Proceedings DARPA Information Survivability Conference and Exposition DARPA information survivability DARPA Information Survivability Conference and Exposition, 2003. Proceedings. 1:189-200 vol.1 2003
South East Asian Journal of Mathematics and Mathematical Sciences (South East Asian J. Math. Math. Sci.) (20180101), 14, no.~2, 15-20. ISSN: 0972-7752 (print).eISSN: 2582-0850.