EPMA and Quantitative EDS of Rare Earth Elements in Geochronological Reference Materials Lowers, Heather A. ; Adams, David T. ; Ritchie, Nicholas W. M. Abstract Publication: Microscopy and Microanalysis Pub Date: July 2017 DOI: 10.1017/S1431927617005943 Bibcode: 2017MiMic..23S1056L