A combination of gas chromatography, combustion, and13C/12C isotope dilution mass spectrometry (GC/C/IDMS)

G Dube, A Henrion, W Richter
1997 Metrologia  
doi:10.1088/0026-1394/34/1/12 fatcat:j2av76lmnrbafdtugdx3svmqx4