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