@book{29135,
	author = {Woodcock, Jim. and Loomes, Martin. and ebrary, Inc.},
	title = {Software engineering mathematics},
	publisher = {Addison-Wesley,},
	year = {1989, c1988.},
	series = {SEI series in software engineering},
	address = {Reading, Mass. ;},
	edition = {North American ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10017697}
}