@book{12031,
	author = {Shaw, Lawrence H. and Durost, Donald Douglas,},
	title = {The effect of weather and technology on corn yields in the Corn Belt, 1929-62 /},
	publisher = {U.S. Dept. of Agriculture, Economic Research Service,},
	year = {1965.},
	address = {Washington :},
	note = {Cover title.}
}