@book{26198,
	author = {Geller, David A.},
	title = {Programmable controllers using the Allen Bradley SLC-500 family /},
	publisher = {Pearson/Prentice Hall,},
	year = {2005},
	address = {Upper Saddle River, NJ. :},
	edition = {2nd ed.},
	note = {Includes index}
}