@book{12210,
	author = {Barnes, Donald Kay, and Hanson, C. H.},
	title = {An illustrated summary of genetic traits in tetraploid and diploid alfalfa},
	publisher = {Agricultural Research Service, U.S. Dept. of Agriculture},
	year = {[1967]},
	series = {United States. Dept. of Agriculture. Technical bulletin ;},
	address = {Washington]}
}