@book{959,
	author = {Coulson, C. A. and McWeeny, R.},
	title = {Coulson's Valence },
	publisher = {Oxford University Press,},
	year = {1979.},
	address = {Oxford ;},
	edition = {3d ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0638/78040323-t.html}
}