Christos Xenakis, Lazaros Merakos, “Security in third Generation Mobile Networks,” Computer Communications, Elsevier Science, Vol. 27, No. 7, pp. 638-650, May 2004. (Most requested article of the Journal).
Aggelis G., Gritzalis S., Lambrinoudakis C., “Mechanisms for Controlling Access in the Global Grid Environment”, Internet Research (indexed in ISI/SCI-E), Vol. 14, No. 5, pp. 347-352, Emerald, 2004.