title: efendi : federated database system of cadlab sigmod conference. authors: e radeke , r bіttger , b burkert , y engel , g kachel , s kolmschlag , d nolte. venue: nan. year: 1995.0
title: federated database system of cadlab . inproc intâ ?? l conf . management of data. authors: e radeke , r boettger , b burkert , y engel , g kachel. venue: nan. year: nan