TY - GEN AU - Forte,A M AU - Dziewonski,A M AU - O'connell,R J TI - Continent-ocean chemical heterogeneity in the mantle based on seismic tomography SN - 0036-8075 PY - 2010///0702 N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.268.5209.386 ER -