@book{140112,
	author = {Buffa, Elwood Spencer},
	title = {Modern production/operations management /},
	publisher = {John Wiley,},
	year = {c1980.},
	series = {The Wiley series in management ;},
	address = {New York :},
	edition = {5th ed.},
	note = {Fifth ed. published in 1977 under title: Modern production management.}
}