@inbook{ Torres-Gil_SAMOS:3-14,

author = { Manuel Torres-Gil and JOSE SAMOS JIMENEZ } ,

title = { DEFINITION OF EXTERNAL SCHEMAS IN ODMG DATABASES },

booktitle = { OOIS 2000 },

isbn = { 1-85233-420-7 },

publisher = { Springer },

pages = { 3 - 14 },

year = { 2000 },

}