Alexandros Tsakountakis, Georgios Kambourakis, Stefanos Gritzalis. A new Accounting Mechanism for Modern and Future AAA Services. In Sushil Jajodia, Pierangela Samarati, Stelvio Cimato, editors, Proceedings of The IFIP TC-11 23rd International Information Security Conference, IFIP 20th World Computer Congress, IFIP SEC 2008, September 7-10, 2008, Milano, Italy. Volume 278 of IFIP, pages 693-697, Springer, 2008. [doi]