http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Recent gastropod boreholes and Ordovician cylindrical borings
Carriker, Melbourne R. (Melbourne Romaine)
iii, 26 pages, 15 unnumbered pages : illustrations ; 29 cm.
by Melbourne R. Carriker and Ellis L. Yochelson.
Geological Survey professional paper ; 593-B