1. Costa MPB (1993) Agroecologia: uma alternativa viável às áreas reformadas e à produção familiar. Revista Reforma Agrária 23:53–69
2. DAEE (2007) Departamento de Águas e Energia Elétrica (State of São Paulo’s Department of Water and Power). Available at: http://www.daee.sp.gov.br/ . Accessed 06 May 2007
3. Falkenmark M (1989) The massive water scarcity now threatening Africa—why isn’t it being addressed? Ambio 18:112–118
4. Falkenmark M, Berntell A, Jägerskog A, Lundqvist J, Matz M, Tropp H (2007) On the verge of a new scarcity: call goes good governance and human ingenuity. IWI Policy Brief, Stockholm International Water Institute (SIWI), Stockholm, Sweden
5. Forrester JW (1961) Industrial dynamics. MIT Press, Cambridge