@book{62,
	author = {Gross J.L. and Gross, Jonathan L.},
	title = {Handbook of graph theory /},
	publisher = {CRC Press,},
	year = {c2004.},
	address = {Boca Raton :},
	url = {http://www.loc.gov/catdir/enhancements/fy0646/2003065270-d.html}
}