@book{82020,
	author = {Clarke, Gordon R. and Reynders, Deon.},
	title = {Practical modern SCADA protocols},
	publisher = {Elsevier,},
	year = {2004.},
	series = {Engineering : instrumentation & control},
	address = {London :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10128053}
}