@book{9729,
	author = {Krajewski, Lee J. and Ritzman, Larry P. and Ritzman, Larry P. ; jt. auth.},
	title = {Operations management; strategy and analysis},
	publisher = {Addison-Wesley},
	year = {1996},
	series = {World student series},
	address = {Reading},
	edition = {4th.},
	note = {"Diskett available "}
}