title: management of data and services in the environmental information system ( uis ) of baden-wќrttemberg. authors: w riekert , r mayer-fіll , g wiest. venue: sigmod record. year: 1997
title: management of data and services in the environmental information system ( uis ) of baden-wuerttemberg. authors: wf riekert , r mayer-foell , g wiest. venue: sigmod record ,. year: 1997.0