1. United Nations, The Millennium Development Goals Report, New York, 2006.
2. Renewable energy powered membrane technology. 1. Development and characterization of a photovoltaic hybrid membrane system;Schäfer;Environ. Sci. Technol.,2007
3. B.S. Richards, D.P.S. Capão and A.I. Schäfer, Renewable energy powered membrane technology. 2. The effect of energy fluctuations on performance of a photovoltaic hybrid membrane system, Environ. Sci. Technol., in press.
4. World Health Organization, Guidelines for Drinkingwater Quality: First Addendum to Third Edition, in: Volume 1: Recommendations, 2006.
5. National Health and Medical Research Council (NHMRC), Australian Drinking Water Guidelines, Canberra, 2004.