%0 Journal Article %A Barbara Romanowicz %T 3D structure of the Earth's lower mantle %J Comptes Rendus. GĂ©oscience %D 2003 %P 23-35 %V 335 %N 1 %I Elsevier %R 10.1016/S1631-0713(03)00012-9 %G en %F CRGEOS_2003__335_1_23_0