@book{12360,
	author = {Burns, James A.},
	title = {Measuring the effect of irrigation on rate of technological change:},
	publisher = {Economic Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,},
	year = {1967]},
	series = {Agriculture economic report ;},
	address = {Washington]}
}