@book{68194,
	author = {Chase-Dunn, Christopher K.},
	title = {Socialist states in the world-system /},
	publisher = {Sage,},
	year = {c1982.},
	series = {Sage focus editions ;},
	address = {Beverly Hills :},
	url = {http://www.loc.gov/catdir/enhancements/fy0660/82010725-d.html}
}