@book{2735,
	author = {Sheppard, Eric S. and Barnes, Trevor J.},
	title = {The capitalist space economy :},
	publisher = {Unwin Hyman,},
	year = {1990.},
	address = {London ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0648/90040989-d.html}
}