@book{331639,
	author = {Trudeau, Richard J. and Trudeau, Richard J.},
	title = {Introduction to graph theory /},
	publisher = {Dover Pub.,},
	year = {1993.},
	address = {New York :},
	note = {Rev. ed. of: Dots and lines. 1976.},
	url = {http://www.loc.gov/catdir/description/dover031/93032996.html}
}