@book{36159,
	author = {Palacios Vélez, Enrique.},
	title = {Manual de operación de distritos de riego.},
	publisher = {UACH. Departamento de Irrigación,},
	year = {1979.},
	address = {Chapingo, Méx. :},
	edition = {2 ed.},
	note = {Mecanográficos}
}