@book{66100,
	author = {Reunión sobre Manejo y Utilización de las Plantas de Zonas Aridas ( and Patton, David R. and Instituto Nacional de Investigaciones Forestales. México.},
	title = {Ponencias},
	publisher = {USDA. Forest Service,},
	year = {1986},
	series = {General Technical Report},
	address = {Fort Collims, Co. :}
}