@book{35339,
	author = {Hofkes, E.H and Visscher, J.T and Centro Inter-Reginal de Abastecimiento y Remoción del Agua},
	title = {Fuentes renovables de energía para sistemas de abastecimiento de agua},
	publisher = {International Water and Sanitation Centre, },
	year = {1990.},
	address = {La Haya : }
}