@book{60804,
	author = {Colombo, Bernardo (Ed) and Demeny, Paul (Ed)},
	title = {Resources and population},
	publisher = {Clarendon Press},
	year = {1996},
	address = {Oxford},
	note = {Based on the study week on "resources and population" 17-22 Nov 1991 Pontificia Academia Scientiarum}
}