http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
contribution of genetics to the practical breeding of dairy cattle
"Reprinted from the Proceedings of the National Academy of Sciences, Vol. 6, No. 4, pp. 225-233, April 15, 1920."
Proceedings of the National Academy of Sciences of the United States of America