Challenges and Solutions in the Characterization of Hierarchically Structured, Functionally Graded Tooth Biominerals. (August 2020) - DeRocher, Karen; Smeets, Paul; Goodge, Berit; Zachman, Michael; Balachandran, Prasanna; Stegbauer, Linus; Cohen, Michael; Gordon, Lyle; Rondinelli, James; Kourkoutis, Lena; Joester, Derk