title: efendi : federated database system of cadlab. authors: e radeke , r bіttger , b burkert , y engel , g kachel , s kolmschlag , d nolte. venue: sigmod conference. year: 1995
title: federated database system of cadlab . inproc. authors: e radeke , r boettger , b burkert , y engel , g kachel. venue: intâ ?? l conf . management of data. year: nan