Li, Z.-P., Tao, M.-X., Li, L.-W., Wang, Z.-D., Du, L., & Zhang, M.-F. (2007). Determination of Isotope Composition of Dissolved Inorganic Carbon by Gas Chromatography-Conventional Isotope-ratio Mass Spectrometry. Chinese Journal of Analytical Chemistry, 35(10), 1455–1458. doi:10.1016/s1872-2040(07)60089-9