Mohn, J.; Gutjahr, W.; Toyoda, S.; Harris, E.; Ibraim, E.; Geilmann, H.; Schleppi, P.; Kuhn, T.; Lehmann, M. F.; Decock, C. et al.; Werner, R. A.; Yoshida, N.; Brand, W. A.: Reassessment of the NH₄NO₃ thermal decomposition technique for calibration of the N₂O isotopic composition. Rapid Communications in Mass Spectrometry 30 (23), S. 2487 - 2496 (2016)

Qi, H.; Coplen, T. B.; Mroczkowski, S. J.; Brand, W. A.; Brandes, L.; Geilmann, H.; Schimmelmann, A.: A new organic reference material, _L-glutamic acid, USGS41a, for δ¹³C and δ¹⁵N measurements − a replacement for USGS41. Rapid Communications in Mass Spectrometry 30 (7), S. 859 - 866 (2016)

Schimmelmann, A.; Qi, H.; Coplen, T. B.; Brand, W. A.; Fong, J.; Meier-Augenstein, W.; Kemp, H. F.; Toman, B.; Ackermann, A.; Assonov, S. et al.; Aerts-Bijma, A.; Brejcha, R.; Chikaraishi, Y.; Darwish, T. A.; Elsner, M.; Gehre, M.; Geilmann, H.; Groening, M.; Hélie, J.-F.; Herrero-Martín, S.; Meijer, H. A.J.; Sauer, P. E.; Sessions, A. L.; Werner, R. A.: Organic reference materials for hydrogen, carbon, and nitrogen stable isotope-ratio measurements: caffeines, n-alkanes, fatty acid methyl esters, glycines, L-valines, polyethylenes, and oils. Analytical Chemistry 88 (8), S. 4294 - 4302 (2016)

Gehre, M.; Renpenning, J.; Gilevska, T.; Qi, H.; Coplen, T. B.; Meijer, H. A.J.; Brand, W. A.; Schimmelmann, A.: On-line hydrogen-isotope measurements of organic samples using elemental chromium: an extension for high temperature elemental-analyzer techniques. Analytical Chemistry 87 (10), S. 5198 - 5205 (2015)

Nair, S.; Geilmann, H.; Coplen, T.; Qi, H.; Gehre, M.; Schimmelmann, A.; Brand, W. A.: Isotopic disproportionation during hydrogen isotopic analysis of nitrogen-bearing organic compounds. Rapid Communications in Mass Spectrometry 29 (9), S. 878 - 884 (2015)

Sperlich, P.; Schaefer, H.; Fletcher, S. E. M.; Guillevic, M.; Lassey, K.; Sapart, C. J.; Röckmann, T.; Blunier, T.: Carbon isotope ratios suggest no additional methane from boreal wetlands during the rapid Greenland Interstadial 21.2. Global Biogeochemical Cycles 29 (11), S. 1962 - 1976 (2015)

Popa, M. E.; Vollmer, M. K.; Jordan, A.; Brand, W. A.; Pathirana, S. L.; Rothe, M.; Röckmann, T.: Vehicle emissions of greenhouse gases and related tracers from a tunnel study: CO:CO₂, N₂O:CO₂, CH₄ :CO₂, O₂ :CO₂ ratios, and the stable isotopes ¹³C and ¹⁸O in CO₂ and CO. Atmospheric Chemistry and Physics 14 (4), S. 2105 - 2123 (2014)

Battipaglia, G.; De Micco, V.; Brand, W. A.; Saurer, M.; Aronne, G.; Linke, P.; Cherubini, P.: Drought impact on water use efficiency and intra-annual density fluctuations in Erica arborea on Elba (Italy). Plant, Cell and Environment 37 (2), S. 382 - 391 (2014)

Brand, W. A.; Coplen, T. B.; Vogl, J.; Rosner, M.; Prohaska, T.: Assessment of international reference materials for isotope-ratio analysis (IUPAC Technical Report). Pure and Applied Chemistry 86 (3), S. 425 - 467 (2014)

Liu, L.; Zhou, L.; Vaughn, B.; Miller, J. B.; Brand, W. A.; Rothe, M.; Xia, L.: Background variations of atmospheric CO₂ and carbon-stable isotopes at Waliguan and Shangdianzi stations in China. Journal of Geophysical Research: Atmospheres 119 (9), S. 5602 - 5612 (2014)