@book{31231,
	author = {Weiss, Mark Allen.},
	title = {Data structures and algorithm analysis in Java /},
	publisher = {Peason Addison-Wesley,},
	year = {2011.},
	address = {Boston :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip063/2005031890.html}
}