@book{140910,
	author = {Waddams Price, Catherine},
	title = {Prepayment Meters: Boon or Bane?},
	publisher = {University of East Anglia},
	year = {2001},
	address = {Norwich},
	note = {Navegadores de Internet ; Adobe Acrobat (PDF)},
	url = {http://www.ccr.uea.ac.uk/papers/Prepayment%20Meters%20-%20Boon%20or%20Bane.pdf}
}