248

Stephen A. Brown, Revolution at the Checkout Counter (Cambridge, MA: Harvard University Press, 1997).

249

Alistair Milne, The Rise and Success of the Barcode: some lessons for Financial Services, Loughborough University working paper, February 2013.

250

Milne, Alistair Milne, The Rise and Success of the Barcode: some lessons for Financial Services, Loughborough University working paper, February 2013.

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