@book{77000,
	author = {Perks, Col. and Beveridge, Tony. and ebrary, Inc.},
	title = {Guide to enterprise IT architecture},
	publisher = {Springer,},
	year = {c2003.},
	series = {Springer professional computing},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10047712}
}