G. Nagypal, and B. Motik. On the Move to Meaningful Internet Systems 2003 - Coopis, DOA, and Odbase, volume 2888 of Lecture Notes in Computer Science, page 906-923. Catania, Sicily, Italy, Springer, (2003)
V. Koenraad, C. Myriam, and D. Jan. Prosopography Approaches and Applications. A Handbook, Unit for Prosopographical Research (Linacre College), Oxford, (2007)