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Bacher W (1998) Poplar (Populus spp.). In: El Bassam N (ed) Energy plant species : their use and impact on environment and development. London: James & James, pp 203-206
Local Resource Management : Future Ways for Improved Sustainability of Agricultural Land Use
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Haneklaus S, Schnug E (1998) Local Resource Management : Future Ways for Improved Sustainability of Agricultural Land Use. In: Proceedings of the FAO Conference on Sustainable Agriculture for Food, Energy and Industry: Strategies towards Achievement, June 1997, Braunschweig (Germany); v. 1. London: James & James, pp 260-264
Efficient use of water for irrigation
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Schmitz M, Sourell H (1998) Efficient use of water for irrigation. In: El Bassam N, Behl RK, Prochnow B (eds) Sustainable agriculture for food, energy and industry : strategies towards achievement ; proceedings of the international conference held in Braunschweig, Germany, June 1997 ; vol. 1. London: James & James, pp 311-314
Fundamentals of Sustainability in Agriculture Production Systems and Global Food Security
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El Bassam N (1998) Fundamentals of Sustainability in Agriculture Production Systems and Global Food Security. In: El Bassam N, Behl RK, Prochnow B (eds) The World Directory of Renewable Energy : Suppliers and Services 1998. London: James & James, pp 90-93