http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Summary of the Drilling Fluid Hazard Assessment Program of the U.S. Environmental Protection Agency
Drilling Fluid Hazard Assessment Program
1 volume (various pagings) : illustrations ; 28 cm
"Prepared with the assistance of the MITRE Corporation, McLean, Virginia 22101, under contract numbers 68-02-3196