Data Warehouse for Water Management - Geographic Data and ETL Processes. - Gergely Lukács; Arnd Otterstätter; Claus Hofmann; Marcus Briesen; Gunter Vogt; Gerhild Lienau; Hans Neumann; Volker Schuchardt; Dirk Weber (EnviroInfo, 2003)

Integrated Analysis and Reporting of Environmental Data Through Cooperation and Technical Innovations - Despite Organisational Changes, Increasing Requirements and Decreasing Budgets. - Roland Mayer-Föll; Andree Keitel; Claus Hofmann; Gergely Lukács; Marcus Briesen; Arnd Otterstätter (EnviroInfo, 2005)