@book{5091,
	title = {Agricultural involution :},
	publisher = {University of California Press},
	year = {c1963 },
	address = {Berkeley, Calif.},
	url = {http://firstsearch.oclc.org/WebZ/DCARead?standardNoType=1&standardNo=0520004590:srcdbname=worldcat:fromExternal=true&sessionid=0}
}