File:Brent wti differential.jpg

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Brent_wti_differential.jpg(587 × 344 pixels, file size: 20 KB, MIME type: image/jpeg)

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current18:29, 23 July 2012Thumbnail for version as of 18:29, 23 July 2012587 × 344 (20 KB)Pickens (talk | contribs)