@book{135039,
	author = {Elliott, C. Orville. and Wasley, Robert S.,},
	title = {Business information processing systems :},
	publisher = {R. D. Irwin,},
	year = {1971.},
	series = {The Irwin series in information and decision sciences},
	address = {Homewood, Ill. :},
	edition = {3rd ed.}
}