@article {144080,
	title = {Historical echoes: A water machine that simulates the economy},
	year = {2012},
	publisher = {New York Fed Research Library, Federal Reserve Bank of New York},
	url = {http://libertystreeteconomics.newyorkfed.org/2012/06/historical-echoes-a-water-machine-that-simulates-the-economy.html},
	author = {Farber, Amy}
}