@book{140904,
	author = {Hviid, Morten and Møllgaard, H. Peter},
	title = {Countervailing power and price transparency},
	publisher = {University of East Anglia},
	year = {2001},
	address = {Norwich},
	note = {Navegadores de Internet ; Adobe Acrobat (PDF)},
	url = {http://www.ccr.uea.ac.uk/workingpapers/ccr01-2.pdf }
}