@book{228733,
	author = {Posner, Richard A. and ProQuest (Firm)},
	title = {Natural monopoly and its regulation},
	publisher = {Cato Institute,},
	year = {1999.},
	address = {Washington, D.C. :},
	note = {"30th anniversary edition with a new preface by the author."},
	url = {https://ebookcentral.proquest.com/lib/kuct-ebooks/detail.action?docID=231604}
}