Nature Geoscience, vol 13, iss 5 Lesher, C, Dannberg, J, Barfod, G H, R. Bennett, N, Glessner, J, Lacks, D J & M. Brenan, J 2020, ' Iron isotope fractionation at the core–mantle boundary by thermodiffusion ', Nature Geoscience, vol. 13, no. 5, pp. 382-386 . https://doi.org/10.1038/s41561-020-0560-y Lesher, C E, Dannberg, J, Barfod, G H, Bennett, N R, Glessner, J J G, Lacks, D J & Brenan, J M 2020, ' Iron isotope fractionation at the core–mantle boundary by thermodiffusion ', Nature Geoscience . https://doi.org/10.1038/s41561-020-0560-y