@book{3073,
	author = {Boyle, Godfrey. and Open University.},
	title = {Energy systems and sustainability /},
	publisher = {Oxford University Press, in association with the Open University,},
	year = {2003.},
	address = {Oxford ;},
	note = {"Block I."},
	url = {http://www.loc.gov/catdir/enhancements/fy0620/2004298592-d.html}
}