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Andreas Exner Editor

Andreas Exner is an ecologist at Umweltbüro GmbH, Austria. Peter Fleissner was Professor at Vienna University of Technology, Austria, until he retired in 2006. Lukas Kranzl is a senior researcher at the Energy Economics Group at Vienna University of Technology, Austria. Werner Zittel is a scientist at Ludwig Bölkow Systemtechnik GmbH, Germany.