@book{42775,
	author = {Cox, Richard A. and Borden, Terry R.},
	title = {Technician's guide to programmable controllers /},
	publisher = {Delmar/Thomson Learning,},
	year = {c2007},
	address = {Clifton Park, NY :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip066/2006000329.html}
}