http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Studies of evolution in the genus Spirifer
FENTON, Caroll Lane: -- Studies of evolution in the genus Spirifer. -- Philadelphia 1931. -- (Publications of the Wagner Free Institute of Science. Vol.2.) -- AB/Ts.
Publications of the Wagner Free Institute of Science. Vol.2