The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}
Federal Emergency Management Agency, U.S. Department of Homeland Security, Acronyms Abbreviations &Terms (A Capability Assurance Job Aid), FEMA P-524, Washington, DC, USA 2009. http://www.fema.gov/pdf/plan/prepare/faatlist07_09 .pdf, (D&E - Amer) {844}