@book{12132,
	author = {Aspelin, Arnold L. and Engelman, Gerald,},
	title = {Packer feeding of cattle;},
	publisher = {Packers and Stockyards Division, Consumer and Marketing Service, U.S. Dept. of Agriculture,},
	year = {1966.},
	series = {Marketing research report no. 776},
	address = {Washington]}
}