@book{4081,
	author = {Ffolliott, Peter F., },
	title = {Ecology and management of forests, woodlands, and shrublands in the dryland regions of the United States and Mexico, perspectives for the 21 st Century /},
	publisher = {University of Arizona : Centro de Investigaciones Biológicas del Noroeste, },
	year = {1999},
	address = {La Paz, B.C.S. :}
}