@book{201912,
	author = {Bergesen, Albert. and American Sociological Association. and Political Economy of the World-System Conference},
	title = {Crises in the world-system /},
	publisher = {Sage Publications,},
	year = {c1983.},
	address = {Beverly Hills :},
	note = {Papers presented at the sixth-annual Political Economy of the World-System Conference held at the University of Arizona, Apr. 15-17, 1982, sponsored by the Political Economy of the World-System Section of the American Sociological Association and the University of Arizona Dept. of Sociology.},
	url = {http://www.loc.gov/catdir/enhancements/fy0660/82021474-d.html}
}