@book{ VERDEGAY_DELGADO,

author = { JOSE LUIS VERDEGAY GALDEANO and MIGUEL DELGADO CALVO-FLORES } ,

title = { The Interface between Artificial Intelligence and Operations Research in Fuzzy Environment },

publisher = { Verlag TUV Rheinland },

address = { COLONIA , ALEMANIA },

year = { 1989 },

isbn = { 3-88585-702-2 },

}