@book{347081,
	author = {Werther.},
	title = {Study guide :},
	publisher = {McGraw-Hill Inc.,US,},
	year = {1993.},
	address = {[S.l.] :},
	edition = {4th edition ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/007113767X/chopaconline-20}
}