@book{209772,
	author = {Porter, Alan L. and Cunningham, Scott W. and ebrary, Inc.},
	title = {Tech mining},
	publisher = {Wiley,},
	year = {c2005.},
	series = {Wiley series in systems engineering and management},
	address = {Hoboken, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10114067}
}