@book{1724,
	author = {Shapiro, Carl. and Varian, Hal R.},
	title = {Information rules :},
	publisher = {Harvard Business School Press,},
	year = {c1999.},
	address = {Boston, Mass. :},
	note = {Includes index.},
	url = {http://lcweb.loc.gov/catdir/toc/98-24923.html}
}