@book{46870,
	author = {FAO and Kraatz, D. B.},
	title = {Revestimiento de canales de riego},
	publisher = {FAO,},
	year = {1977},
	series = {FAO. Fomento de tierras y aguas},
	address = {Roma :},
	note = {FAO. Riego y drenaje; 2}
}