http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Preliminary report on biota of drowned reefs associated with natural gas seeps in the northwest Gulf of Mexico
Robert E. Abbott, Arthur J.J. Leuterman, Thomas J. Bright.
"Report for study of naturally occuring hydrocarbons in the Gulf of Mexico, July 1975."