Zyakun, Anatoly M Site-specific (13) С/(12) С isotope abundance ratios in dicarboxylic oxyacids as characteristics of their origin. [electronic resource] - Rapid communications in mass spectrometry : RCM Nov 2015 - 2026-30 p. digital Publication Type: Journal Article ISSN: 1097-0231 Standard No.: 10.1002/rcm.7307 doi Subjects--Topical Terms: Carbon Dioxide--analysisCarbon Isotopes--analysisDicarboxylic Acids--analysisDiscriminant AnalysisMass SpectrometryVitis--chemistryWine--analysis