http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Smaller Foraminifera from deep wells on Puerto Rico and St. Croix
iii, 32 pages, 12 leaves of plates : illustrations ; 29 cm.
Planktonic and benthonic Foraminifera (about 230 species) from Miocene and Oligocene in three test wells along south-central coast of Puerto Rico, Middle Miocene age of beds in three test wells on St. Croix based on restudy of their planktonic Foraminifera (42 species)
Geological Survey professional paper ; 863