2Carlo M. Cipolla, Money, Prices and Civilization in the Mediterranean World: Fifth to SeventeenthCentury, New York: Gordian Press, 1967, chapter Ⅲ.
3George Selgin,Good Money: Birmingham, Button Makers, the Royal Mint, and the Beginnings of Modern Coinage, 1775-1821, Oakland: The Independent Institute, Ann Arbor: The University of Michigan Press, 2005, p. 14.
4Angela Redish, Bimetallism: An Economic and HistoricalAnalysis, Cambridge : Cambridge University Press, 2000, pp. 31 - 34.
5Thomas J. Sargent and Francois R. Velde, "The Big Problem of Small Change, " Journal of Money, Credit and Banking, Vol. 31, No. 2(May 1999), pp. 137-161.
6Akinobu Kuroda, " Concurrent but Non-integrable Currency Circuits: Complementary Relationships Among Monies in Modem China and Other Regions, "Financial History Review, Vol. 15, Issue 1 ( April 2008 ), pp. 17-36.
7Thomas J. Sargent and Frangois R. Velde, The Big Problem of Small Change, Princeton, N. J. : Princeton University Press, 2002.
8George Selgin, Good Money: Birmingham, Button Makers, the Royal Mint, and the Beginnings of Modern Coinage, 1775-1821.
9Akinobu Kuroda, "What is the Complementarity Among Monies: An Introductory Notes," Financial History Review, VoL 15, Issue 1 (April 2008), p. 9.
10Thomas J. Sargent and Francois R. Velde, " The Big Problem of Small Change", Journal of Money, Credit and Backing. Vol. 31 No. 2(May 1999) ,p. 267.
