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zu den Filteroptionen- empirical lessons for measuring affordabilityGawel, Erik ; Sigel, Katja ; Bretschneider, WolfgangLeipzig : Helmholtz-Zentrum für Umweltforschung - UFZ, 2011
- Do we really need to calculate environmental and resource costs?Gawel, ErikLeipzig : Helmholtz-Zentrum für Umweltforschung - UFZ, 2014
- What does the term "water services" mean? ; on the EU Court of Justice conclusions of Advocate General Jääskinen in case C-525/12Gawel, ErikLeipzig : Helmholtz-Zentrum für Umweltforschung - UFZ, 2014
- Gawel, Erik ; Schindler, HarryLeipzig : Helmholtz-Zentrum für Umweltforschung - UFZ, 2014