@book{3144,
	author = {Luger, George F.},
	title = {Artificial intelligence :},
	publisher = {Pearson Addison-Wesley,},
	year = {2009.},
	address = {Boston :},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/toc/fy0803/2007050376.html}
}