Brand, W. A. Service Facility Stable Isotope/Gas Analytics, Dr. W. A. Brand, Max Planck Institute for Biogeochemistry, Max Planck Society;
Mukai, H., Nakazawa, T., Brand, W. A., Huang, L., Levin, I., Allison, C., et al. (2007). About disagreements in inter-comparison activities of isotope ratio measurements for CO2.