00361nas a2200145   4500000000100000000000100001008004100002260002900043100002100072700001400093700001300107700001800120245005900138020001800197       2006                            d  bIdea Group Inc.aHershey1 aZdzisław Pawlak1 aL. Rivero1 aJ. Doorn1 aV. Ferraggine00aEncyclopedia of Database Technologies and Applications  a1-59140-560-2