1. Towards a sustainable reduction of GHG-emissions in T&T: sources of CO2 emissions, internal presentation;Al-Taweel;Pt. Lisas,2010
2. The quality of stakeholder-based decisions;Beierle;Risk Analysis: An international Journal,2002
3. The analytic hierarchy process applied to maintenance strategy selection;Bevilacqua;Reliability Engineering and System Safety,2000
4. BMU, 2010. Nationale und internationale Entwicklung Erneuerbare Energien in Zahlen. Bundesministerium für Umwelt. Naturschutz und Reaktorsicherheit (BMU) Referat Öffentlichkeitsarbeit. June 2010