Kyoung-Jae Won, Adam Prugel-Bennett, Anders Krogh, Mircea Gh Mircea Gh, Robert J. Howlett & Lakhmi C. Jain,
2004, Lecture Notes in Computer Science, 3213, 64-70
Bernardo Silva Carmo, Y H Pauline Ng, Adam Prügel-Bennett, Guang-Zhong Yang, C Barillot, D R Haynor & P Hellier,
2004, Lecture Notes in Computer Science, 3216, 451-458