@book{4123,
	author = {Harshbarger, Ronald J., and Reynolds, James J.},
	title = {Mathematical applications for management, life, and social sciences /},
	publisher = {D.C. Heath,},
	year = {c1985.},
	address = {Lexington, Mass. :},
	edition = {2nd ed.},
	note = {Cover title: Mathematical applications.}
}