@misc {IOPORT.70127475,
    author       = {Lucero, Mauro Javier G\'omez and Ches\~nevar, Carlos Iv\'an and Simari, Guillermo Ricardo},
    title        = {On the accrual of arguments in defeasible logic programming},
    howpublished = {IJCAI, 804-809 (2009).},
    year         = {2009},
    identifier   = {70127475},
}