@unpublished{upm3746,
       booktitle = {EWGLA XVII},
           month = {September},
           title = {A Stochastic Bi-objective Location Model for Reverse Logistics},
          author = {Maria Da Conceicao Fonseca and {\'A}lvaro Garc{\'i}a S{\'a}nchez and Francisco Saldanha-Da-Gama and Miguel {\'A}ngel Ortega Mier},
            year = {2008},
           pages = {45--46},
             url = {http://oa.upm.es/3746/},
        abstract = {Se presenta un modelo estoc{\'a}stico bietapa con dos criteros (coste, efecto obnoxio) para el dise{\~n}o de una red de recogida de residuos.}
}