Tom M. VAN ENGERS (ed.), Legal knowledge and information systems, JURIX 2006, the Nineteenth Annual Conference, Amsterdam, IOS Press, 2006, 13-22
SARTOR, Giovanni, GOVERNATORI, Guido, PALMIRANI, Monica, RIVERET, Régis, ROTOLO, Antonino, Norm Modifications in Defeasible Logic, in Tom M. VAN ENGERS (ed.), Legal knowledge and information systems, JURIX 2006, the Nineteenth Annual Conference, Amsterdam, IOS Press, 2006, 13-22
- https://hdl.handle.net/1814/7565