@book{206020,
	author = {Reuther Walter,ed and Reuther, Walter and University of California. Division of Agricultural Sciences},
	title = {The  citrus industry  /},
	publisher = { University of California. Division of Agricultural Scienses},
	address = {California :},
	note = {La biblioteca tiene : v.4 Diseases and injuries: Viruses, registration certification}
}