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Zencak Z., Reddy C.M, Teuten E.L, Xu L., McNichol A.P, Gustafsson O..  2007.  Evaluation of gas chromatographic isotope fractionation and process contamination by carbon in compound-specific radiocarbon analysis. Analytical Chemistry. 79(5):2042-2049.

Zencak Z., Elmquist M., Gustafsson O..  2007.  Quantification and radiocarbon source apportionment of black carbon in atmospheric aerosols using the CTO-375 method. Atmospheric Environment. 41(36):7895-7906.