@book{7478,
	author = {Poplawski, David.},
	title = {Objects have class :},
	publisher = {McGraw-Hill Science/Engineering/Math,},
	year = {2001.},
	address = {[S.l.] :},
	edition = {1 ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0072423404/chopaconline-20}
}