@book{164896,
	author = {Harshbarger, Ronald J. and Reynolds, James J.},
	title = {Mathematical applications for management, life and social sciences /},
	publisher = {D.C. Heath,},
	year = {c1989.},
	address = {Lexington, Mass. :},
	edition = {3rd ed.},
	note = {Includes indexes.}
}