@inbook{ Abelló-Gamazo_Rodríguez-Uoc_Saltor-Soler_Oliva-_DELGADO_Garvi-Garcia_SAMOS:49-56,

author = { Alberto Abelló-Gamazo and Elena Rodríguez-Uoc and Fèlix Saltor-Soler and Marta Oliva- and CECILIA DELGADO NEGRETE and Eladio Garvi-Garcia and JOSE SAMOS JIMENEZ } ,

title = { ON OPERATIONS TO CONFORM OBJECT-ORIENTED SCHEMAS },

booktitle = { ENTERPRISE INFORMATION SYSTEMS V },

isbn = { 1-4020-1726-X },

publisher = { KLUWER ACADEMIC },

pages = { 49 - 56 },

year = { 2004 },

}