@book{10308,
	author = {Benton, George Stock,},
	title = {Drought in the United States analyzed by means of the theory of probability,},
	publisher = {United States Dept. of agriculture},
	year = {[1942]},
	series = {U.S. Dept. of agriculture. Technical bulletin no. 819},
	address = {Washington, D.C.,},
	note = {Cover title.}
}