D. General fo DGIS,
«Achieving water security». Netherlands, Ministry of Foreign Affairs, The Hague, The Netherlands, p. 47 p. : photogr., 2001.
D. E. G. A. T. E. - Eschborn y Naturgerechte Technologien, Bau- und Wirtschaftsberatung -Frankfurt, GE, TBW,
«Anaerobic treatment of slaughterhouse waste and wastewater», vol. no. W5e. German Appropriate Technology Exchange (GATE) /Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ), Eschborn, Germany, p. 12 p. : 6 fig., 2 tab., 2001.
P. Minnigh y Moeliono, M.,
«Rural water supply systems, an alien body for the public good : cas study of Indonesia, 1990-2000»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 22-25 : 1 fig., 2 photogr., 2001.