@book{6620,
	author = {Marakas, George M.},
	title = {Decision Support Systems In The 21st Century},
	publisher = {Prentice Hall,},
	year = {2002.},
	series = {2nd edition.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0130922064/chopaconline-20}
}