Giovanni Sartor Michel Rudnianski Antonino Rotolo Régis Riveret Eunate Mayor Why lawyers are nice (or nasty): a game-theoretical argumentation exercise. 108-117 2009 ICAIL http://doi.acm.org/10.1145/1568234.1568247 conf/icail/2009 db/conf/icail/icail2009.html#SartorRRRM09