@inbook{ SAMOS_Saltor-Soler_Sistac-:150-158,

author = { JOSE SAMOS JIMENEZ and Fèlix Saltor-Soler and Jaume Sistac- } ,

title = { DEFINITION OF DERIVED CLASSES IN OODBS },

booktitle = { PROCEEDINGS OF THE 1998 INTERNATIONAL DATABASE ENGINEERING & APPLICATIONS SYMPOSIUM },

isbn = { 0-8186-8307-4 },

publisher = { IEEE COMPUTER SOCIETY PRESS },

pages = { 150 - 158 },

year = { 1998 },

}