@book{10203,
	author = {Waring, P. Alston,},
	title = {Teamwork to save soil and increase production /},
	publisher = {Soil Conservation Service, U.S. Dept. of Agriculture,},
	year = {1942.},
	series = {Miscellaneous publication / United States Department of Agriculture ;},
	address = {Washington, D.C. :},
	note = {Contribution from Soil Conservation Service.}
}