Nature · 1983 · 1.1K citations · 17 references
Natural SciencesChemistryEarth SciencesElemental AnalysisGeochemistryMass Spectrometric AnalysisIsotope BiogeochemistryIsotope GeochemistryIsotope ShiftsRadioactive DecayStable Isotope AnalysisStable Isotope GeochemistryStable Isotope RatiosStable Isotope SignaturesStable Isotope Standards
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