Metadatenklassen im Umwelt-Datenkatalog (UDK). - Walter Swoboda; Helmut Lessing; Peter Grolimund; Oliver Günther 001; Ulrike Haas; Rudolf Legat; Manuel Vogler; Konrad Zirm (GI Jahrestagung, 1995)

WWW-UDK: A Web-based Environmental Meta-Information System. - Ralf Kramer; Ralf Nikolai; Arne Koschel; Claudia Rolker; Peter C. Lockemann; Andree Keitel; Rudolf Legat; Konrad Zirm (SIGMOD Rec., 1997)

Construction, Maintenance and Visualisation of Multilingual Thesauri Experiences using "SuperThes". - Wolf-Dieter Batschi; Rudolf Legat; Paolo Plini; Hermann Stallbaumer (EnviroInfo (1), 2004)

"SuperThes" An International Model of Sharing Knowledge, Data, Information & Experiences. - Wolf-Dieter Batschi; Rudolf Legat; Paolo Plini; Hermann Stallbaumer (EnviroInfo, 2005)

Challenges of SEIS and SISE: Integrating Environmental Knowledge in Europe. - Jirí Hrebícek; Rudolf Legat; Michal Nagy; Werner Pillmann (EnviroInfo, 2008)

E-Government Working Group for Environmental Information in Austria - Moving towards SEIS. - Hans-Jörg Krammer; Rudolf Legat; Katharina Schleidt; Michal Nagy; Johannes Mayer (EnviroInfo, 2008)

Shared Terminology for the Single Environmental Information System (SEIS). - Thomas Bandholtz; Joachim Fock; Rudolf Legat; Michal Nagy; Katharina Schleidt (EnviroInfo (1), 2009)

Challenges of eEnvironment. - Jirí Hrebícek; Rudolf Legat (EnviroInfo (1), 2009)

Environmental Public Sector Information - The present path to increasing transparency and democracy. - Werner Pillmann; Rudolf Legat; Jirí Hrebícek (EnviroInfo, 2013)

The Political and Economic Power of Open Environmental Information. - Werner Pillmann; Rudolf Legat (EnviroInfo (2), 2016)