@book{5617,
	author = {Dunning, Gary.},
	title = {Introduction to programmable logic controllers /},
	publisher = {Delmar Thomson Learning,},
	year = {c2002 [Reprinted 2002, 2003, 2005].},
	address = {Albany, NY :},
	edition = {2nd ed.},
	note = {Includes index.}
}