@book{13819,
	author = {SCHAFER, P.},
	title = {Schafer process control computer technology a programmed introduction /},
	publisher = {John Wiley & Sons Ltd,},
	year = {1979.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0471260134/chopaconline-20}
}