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Brand, W. A.: Mass spectrometer hardware for analyzing stable isotope ratios. In: Handbook of stable isotope analytical techniques, Bd. 1, S. 835 - 856 (Hg. De Groot, P.). Elsevier, Amsterdam (2004)

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Huang, L.; Chivulescu, A.; Allison, C.; Brailsford, G.; Brand, W. A.; Wendeberg, M.; Bollenbacher, A.; Keeling, R.; Levin, I.; Sabasch, M. et al.; Leuenberger, M.; Mukai, H.; Nakazawa, T.; Aoki, S.; Neubert, R.; Aerts-Bijma, A.; Verkouteren, M.; White, J.; Vaughn, B.; Michel, S.; Zhou, L.; Liu, L.X.: A Report of δ¹³C & δ¹⁸O Measurements in NBS 19 and NBS 18 pure CO₂: Uncertainty in Traceability of CO₂ Isotope Measurements. In: 15th IAEA/WMO meeting of CO₂ experts. Proceedings of the 15th IAEA/WMO meeting of CO₂ experts, Jena, Sept. 2009. (2011)