@book{76830,
	author = {Schott, René. and Staples, G. Stacey.},
	title = {Operator calculus on graphs:},
	publisher = {World Scientific Publishing Co. Pte. Ltd.,},
	year = {2012.},
	url = {http://portal.igpublish.com/iglibrary/search/WSPCB0002850.html}
}