High-precision Pb-Sr-Nd-Hf isotopic characterization of USGS BHVO-1 and BHVO-2 reference materials by Weis, D, Kieffer, B, Maerschalk, C, Pretorius, W, Barling, J

Hf isotope compositions of U.S. Geological survey reference materials by Weis, D, Kieffer, B, Hanano, D, Silva, I, Barling, J, Pretorius, W, Maerschalk, C, Mattielli, N

High-precision isotopic characterization of USGS reference materials by TIMS and MC-ICP-MS by Weis, D, Kieffer, B, Maerschalk, C, Barling, J, De Jong, J, Williams, G, Hanano, D, Pretorius, W, Mattielli, N, Scoates, J, Goolaerts, A, Friedman, R, Mahoney, J