@book{66438,
	author = {Study Week on "Resources and Population" and Colombo, Bernardo.},
	title = {Resources and population :},
	publisher = {Clarendon Press ;},
	year = {1996.},
	address = {Oxford :},
	note = {"Based on the Study Week on "Resources and Population," 17-22 November 1991, Pontificia Academia Scientiarum."},
	url = {http://www.loc.gov/catdir/enhancements/fy0605/95038883-d.html}
}