@book{3004,
	author = {Schelin, Charles W. and Bange, David W.},
	title = {Mathematical Analysis for Business and Economics /},
	publisher = {Pws Pub Co,},
	year = {1988.},
	address = {[S.l.] :},
	edition = {2 Sub ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0534914934/chopaconline-20}
}