@book{52939,
	author = {Little, Thomas Morton, and Hills, Frederick Jackson,},
	title = {Agricultural experimentation :},
	publisher = {Wiley,},
	year = {c1978.},
	address = {New York :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/wiley033/77026745.html}
}