@book{83047,
	author = {Wickens, Christopher D. and ebrary, Inc.},
	title = {The future of air traffic control},
	publisher = {National Academy Press,},
	year = {1998.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10041060}
}