@book{108498,
	author = {Barnett, Raymond A. and Ziegler, Michael R.},
	title = {Essentials of college mathematics for business, economics, life sciences, and social sciences},
	publisher = {Dellen Pub. Co.},
	year = {1992.},
	series = {College mathematics series},
	address = {New York},
	edition = {2nd ed.},
	note = {Includes indexes.}
}