Reddy, Christopher M Determination of biodiesel blending percentages using natural abundance radiocarbon analysis: testing the accuracy of retail biodiesel blends. [electronic resource] - Environmental science & technology Apr 2008 - 2476-82 p. digital Publication Type: Journal Article ISSN: 0013-936X Standard No.: 10.1021/es071814j doi Subjects--Topical Terms: Carbon Radioisotopes--analysisGasolineHalf-LifeUncertainty