@book{564438,
	author = {Muhlemann, Alan., Oakland, John., Lockyer, Keith.},
	title = {Production and operations management, sixth edition /},
	publisher = {Pitman,},
	year = {1994},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B001343NBU/chopaconline-20}
}