F. Grasso. Artificial Intelligence in Medicine - 9th Conference on Artificial Intelligence in Medicine in Europe, AIME, volume 2780 of LNAI, page 179--188. Springer-Verlag, (2003)
C. Reed, and F. Grasso. Proceedings of the International Conference on Computational Sciences-Part I., volume 2073 of Lecture Notes in Computer Science, page 999--1008. London, UK, Springer-Verlag, (28-30 May 2001)