@book{126296,
	author = {Warfield, John N. and ebrary, Inc.},
	title = {An introduction to systems science},
	publisher = {World Scientific,},
	year = {c2006.},
	address = {Hackensack, NJ :},
	note = {Includes partial description of the contents of the Warfield Special Collection at George Mason University's Fenwick Library.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10201218}
}