Calcium Isotopes (δ<sup>44/40</sup>Ca) in MPI‐DING Reference Glasses, USGS Rock Powders and Various Rocks: Evidence for Ca Isotope Fractionation in Terrestrial SilicatesMarghaleray Amini, Klaus Peter Jochum, Florian Böhm et al.|Geostandards and Geoanalytical Research|2009Cited by 127