@book{18526,
	author = {Singelmann, Jay. and Longhurst, Jean.},
	title = {Business programming logic :},
	publisher = {Prentice-Hall,},
	year = {c1982.},
	address = {Englewood Cliffs, N.J. :},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://www.archive.org/details/businessprogramm00sing}
}