Statistical Review of World Energy June 2014 — Historical data workbook | "Growth Profile and Hydrocarbonoclastic Potential of Microorganisms Isolated from Tarballs in the Bight of Bonny, Nigeria" |
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Retrieved 19:14, February 19, 2011 | A Heritage of Light: Lamps and Lighting in the Early Canadian Home |
Critical Reviews in Environmental Control | "Organic geochemistry — A retrospective of its first 70 years" |
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Retrieved 19:14, February 19, 2011 | Hubbert, Marion King; Shell Development Company 1956 |