http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Symposium V, First International Congress of Systematic and Evolutionary Biology, Boulder, Colorado, August 1973
International Congress of Systematic and Evolutionary Biology 1973 : Boulder, Colo.)
xiii, 263 pages : illustrations ; 23 cm.
edited by Lawrence E. Gilbert and Peter H. Raven.