@book{12074,
	author = {Kemper, William Doral, and Koch, Elbry James,},
	title = {Aggregate stability of soils from Western United States and Canada;},
	publisher = {Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.,},
	year = {1966]},
	series = {[United States. Dept. of Agriculture] Technical bulletin ;},
	address = {Washington]},
	note = {Cover title.}
}