%0 conference poster %@ %A Zimmermann, T.,Klein, O.,Orth, T.,Oppermann, B.,Retzmann, A.,Irrgeher, J.,Proefrock, D. %D 2019 %J European Winter Conference on Plasma Spectrochemistry 2019 %N %P %T Analysis of anthropogenic Gd emissions into the German North Sea and potential new insights by the analysis of Gd isotope ratios in MRI contrast agents %U %X