TY - JOUR A1 - Franck, Siegfried T1 - Instability of a reaction zone at the Core-Mantle Boundary (CMB) Y1 - 1994 ER - TY - JOUR A1 - Franck, Siegfried A1 - Kowalle, Georg T1 - Seismic velocity models for an internally asymmetric Mars Y1 - 1994 ER -