UNDP -New York, NY, US, Lima, P. E. National I., et PE, P. Ministerio,
« Assessment of water resources and their use by different productive sectors in Peru ». Peru, Ministry of Agriculture, National Institute of Natural Resources - INRENA, Lima, Peru, p. iv, 310, v, p. : fig., tab., maps, 1995.
D. General fo DGIS,
« De dorst van leer ». Netherlands, Ministry of Foreign Affairs, DGIS, Information Department, The Hague, The Netherlands, p. Video (50 min.): VHS, 1995.