@book{ international2019iaea, title={Sample Preparation of Soil and Plant Material for Isotope Ratio Mass Spectrometry}, series={TECDOC Series}, number={1870}, year={2019}, isbn={978-92-0-102019-2}, url={https://www.iaea.org/publications/13482/sample-preparation-of-soil-and-plant-material-for-isotope-ratio-mass-spectrometry}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }