@book{12969,
	author = {DeFries, Ruth S. and National Research Council (U.S.). and Forum on Global Change and Our Common Future},
	title = {Global change and our common future :},
	publisher = {National Academy Press,},
	year = {1989.},
	address = {Washington, D.C. :},
	note = {"Committee on Global Change, National Research Council."}
}