@book{ internationaliaea, title={Survey of Reference Materials, Volume 1: Biological and Environmental Reference Materials for Trace Elements, Nuclides and Microcontaminants}, series={TECDOC Series}, number={854}, year={}, url={http://www.dgdingfa.net/publications/5501/survey-of-reference-materials-volume-1-biological-and-environmental-reference-materials-for-trace-elements-nuclides-and-microcontaminants}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }