@book{7724,
	author = {Lund, H. Gyde and E.U.A. Forest Service.},
	title = {Inventarios de recursos de tierras áridas},
	publisher = {Forest Service,},
	year = {1981},
	series = {General Technical Report},
	address = {Washington, D. C. :},
	note = {Título paralelo en inglés}
}