@book{4834,
	title = {Input-output and regional economics,},
	publisher = {Weidenfeld and Nicolson},
	year = {1972 [i.e. 1973] },
	address = {London,},
	note = {Includes index. },
	url = {http://catalog.hathitrust.org/api/volumes/oclc/728239.html}
}