Brand, W. A. Service Facility Stable Isotope/Gas Analytics, Dr. W. A. Brand, Max Planck Institute for Biogeochemistry, Max Planck Society;
http://dx.doi.org/10.1029/2000JD900822 (Verlagsversion)
Röckmann, T., Kaiser, J., Brenninkmeijer, C. A. M., Crowley, J. N., Borchers, R., Brand, W. A., et al. (2001). Isotopic enrichment of nitrous oxide (15N14NO, 14N15NO, 14N14N18O) in the stratosphere and in the laboratory. Journal of Geophysical Research: Atmospheres, 106(10), 10403-10410. doi:10.1029/2000JD900822.