Publications

Brand, W. A.: Maintaining high precision of isotope ratio analysis over extended periods of time. Isotopes in Environmental and Health Studies 45 (2), pp. 135 - 149 (2009)

Brand, W. A.; Coplen, T. B.; Aerts-Bijma, A. T.; Bohlke, J. K.; Gehre, M.; Geilmann, H.; Groning, M.; Jansen, H. G.; Meijer, H. A. J.; Mroczkowski, S. J. et al.; Qi, H. P.; Soergel, K.; Stuart-Williams, H.; Weise, S. M.; Werner, R. A.: Comprehensive inter-laboratory calibration of reference materials for δ ¹⁸O versus VSMOW using various on-line high-temperature conversion techniques. Rapid Communications in Mass Spectrometry 23 (7), pp. 999 - 1019 (2009)

Brand, W. A.; Geilmann, H.; Crosson, E. R.; Rella, C. W.: Cavity ring-down spectroscopy versus high-temperature conversion isotope ratio mass spectrometry; a case study on δ H2 and δ ¹⁸O of pure water samples and alcohol/water mixtures. Rapid Communications in Mass Spectrometry 23 (12), pp. 1879 - 1884 (2009)

Brand, W. A.; Huang, L.; Mukai, H.; Chivulescu, A.; Richter, J.; Rothe, M.: How well do we know VPDB? Variability of δ ¹³C and δ ¹⁸O in CO₂ generated from NBS19-calcite. Rapid Communications in Mass Spectrometry 23 (6), pp. 915 - 926 (2009)

Vaganov, E. A.; Schulze, E. D.; Skomarkova, M. V.; Knohl, A.; Brand, W. A.; Roscher, C.: Intra-annual variability of anatomical structure and δ ¹³C values within tree rings of spruce and pine in alpine, temperate and boreal Europe. Oecologia 161 (4), pp. 729 - 745 (2009)

Vigano, I.; Röckmann, T.; Holzinger, R.; Van Dijk, A.; Keppler, F.; Greule, M.; Brand, W. A.; Geilmann, H.; Van Weelden, H.: The stable isotope signature of methane emitted from plant material under UV irradiation. Atmospheric Environment 43 (35), pp. 5637 - 5646 (2009)

Brand, W. A.; Chivulescu, A.; Huang, L.; Mukai, H.; Richter, J.; Rothe, M.: Relating Air-CO₂ Isotope Ratio Determinations to VPDB using Calcite-CO₂ Mixed into CO₂-free Air. In: 14th WMO/IAEA Meeting of Experts on Carbon Dioxide, Other Greenhouse Gases, and Related Tracer Measurement Techniques. Proceedings of the 14th WMO/IAEA Meeting of Experts on Carbon Dioxide, Other Greenhouse Gases, and Related Tracer Measurement Techniques, Helsinki, Sept. 2007, Helsinki. (2009)

Wendeberg, M.; Richter, J.; Rothe, M.; Brand, W. A.: JRAS isotope reference: A generalized VPDB scale anchor for CO₂ in air? Proceedings of the 15th IAEA/WMO meeting of CO₂ experts, Jena, Sept. 2009., (2009)