@book{167360,
	author = {Allen, Patricia, ed.},
	title = {Global perspectives on agroecology and sustainable agricultural systems  /},
	publisher = {University of California,},
	year = {1988},
	address = {Santa Cruz, Ca.  :},
	note = {Tomado de International Scientific Conference of the International Federation of Organic Agriculture Movements (6 : 1986 : Santa Cruz)}
}