@book{10792,
	author = {Gustafson, A. F.},
	title = {Using and managing soils.},
	publisher = {McGraw-Hill Book Co.},
	year = {[1948]},
	series = {McGraw-Hill rural activities series},
	address = {New York,},
	note = {"List of visual aids":  p. 399-405.}
}