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2. Musk, S.Trends in oil spills from tankers and ITOPF non-tanker attended incidents, 2012.http://www.itopf.com/knowledge-resources/documents-guides/document/trends-in-oil-spills-from-tankers-and-itopf-non-tanker-attended-incidents-2012/.
3. Science in support of the Deepwater Horizon response
4. Petroleum Formation and Occurrence