Knohl, A.; Werner, R. A.; Geilmann, H.; Brand, W. A.: Kel-F(TM) discs improve storage time of canopy air samples in 10-mL vials for CO₂-δ¹³C analysis. Rapid Communications in Mass Spectrometry 18 (14), pp. 1663 - 1665 (2004)

Seibt, U.; Brand, W. A.; Heimann, M.; Lloyd, J.; Severinghaus, J. P.; Wingate, L.: Observations of O₂:CO₂ exchange ratios during ecosystem gas exchange. Global Biogeochemical Cycles 18 (4), p. GB4024 (2004)

Starck, J. M.; Moser, P.; Werner, R. A.; Linke, P.: Pythons metabolize prey to fuel the response to feeding. Proceedings of the Royal Society B: Biological Sciences 271 (1542), pp. 903 - 908 (2004)

Sturm, P.; Leuenberger, M.; Sirignano, C.; Neubert, R. E. M.; Meijer, H. A. J.; Langenfelds, R.; Brand, W. A.; Tohjiama, Y.: Permeation of atmospheric gases through polymer O-rings used in flasks for air sampling. Journal of Geophysical Research: Atmospheres 109 (D4), D04309 (2004)

Brooks, P. D.; Geilmann, H.; Werner, R. A.; Brand, W. A.: Improved precision of coupled δ¹³C and δ¹⁵N measurements from single samples using an elemental analyzer/isotope ratio mass spectrometer combination with a post-column sixport valve and selective CO₂ trapping; improved halide robustness of the combustion reactor using CeO₂. Rapid Communications in Mass Spectrometry 17 (16), pp. 1924 - 1926 (2003)

Dörr, M.; Käßbohrer, J.; Grunert, R.; Kreisel, G.; Brand, W. A.; Werner, R. A.; Geilmann, H.; Apfel, C.; Robl, C.; Weigand, W.: A possible prebiotic formation of ammonia from dinitrogen on iron sulfide surfaces. Angewandte Chemie International Edition 42 (13), pp. 1540 - 1543 (2003)

Ghosh, P.; Bhattacharya, S. K.: Sudden warming epochs during 42 to 28 ky BP in the Himalayan region from stable isotope record of sediment column from a relict lake in Goting, Garhwal, North India. Current Science 85 (1), pp. 60 - 67 (2003)

Ghosh, P.; Bhattacharya, S. K.; Sahni, A.; Kar, R. K.; Mohabey, D. M.; Ambwani, K.: Dinosaur coprolites from the Late Cretaceous (Maastrichtian) Lameta Formation of India: isotopic and other markers suggesting a C₃ plant diet. Cretaceous Research 24 (6), pp. 743 - 750 (2003)

Ghosh, P.; Brand, W. A.: Stable isotope ratio mass spectrometry in global climate change research. International Journal of Mass Spectrometry 228 (1), pp. 1 - 33 (2003)

Qi, H. P.; Coplen, T. B.; Geilmann, H.; Brand, W. A.; Böhlke, J. K.: Two new organic reference materials for δ¹³C and δ¹⁵N measurements and a new value for the δ¹³C of NBS 22 oil. Rapid Communications in Mass Spectrometry 17 (22), pp. 2483 - 2487 (2003)