TY - GEN A1 - Ackom, Emmanuel Kofi A1 - Ertel, Jürgen T1 - An Alternative Energy Approch to Combating Desertification and Promotion of Sustainable Development in Drought Regions T2 - Forum der Forschung Y1 - 2005 SN - 0947-6989 IS - 18 SP - 74 EP - 77 ER - TY - GEN A1 - Ugochukwu, Collins Norberth Chinedu A1 - Ertel, Jürgen A1 - Schmidt, Michael T1 - Environmental Sustainability and Sustainable Development Issues in the Niger Delta Region of Nigeria T2 - Forum der Forschung Y1 - 2008 SN - 0947-6989 VL - 13 IS - 21 SP - 151 EP - 156 ER - TY - GEN A1 - Hristozov, Danail A1 - Ertel, Jürgen T1 - Nanotechnology and Sustaibability: Benefits and Risks of Nanotechnology for Environmental Sustainability T2 - Forum der Forschung Y1 - 2009 SN - 0947-6989 VL - 13 IS - 22 SP - 161 EP - 168 ER -