http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
systematic revision of the ostracode species described by Ulrich and Bassler and by Malkin from the Chesapeake Group in Maryland and Virginia
iii, 25 pages, 16 unnumbered pages : illustrations ; 29 cm.
Geological Survey professional paper ; 1128