@book{ international1995iaea, title={Reference and Intercomparison Materials for Stable Isotopes of Light Elements}, series={TECDOC Series}, number={825}, year={1995}, url={http://www.dgdingfa.net/publications/5471/reference-and-intercomparison-materials-for-stable-isotopes-of-light-elements}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }