@book{13800,
	author = {Mungall, Constance. and Royal Society of Canada.},
	title = {Planet under stress :},
	publisher = {Oxford University Press,},
	year = {1991.},
	address = {Toronto ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0639/91193568-t.html}
}