@article{wipperfurth:2018, Author = {Scott A Wipperfurth and Meng Guo and Ond{\v r}ej {\v S}r{\'a}mek and William F McDonough}, Doi = {10.1016/j.epsl.2018.06.029}, Journal = {Earth Planet. Sci. Lett.}, Month = {September}, Pages = {196-202}, Title = {Earth's chondritic {Th/U}: Negligible fractionation during accretion, core formation, and crust--mantle differentiation}, Volume = {498}, Year = {2018} }