TY - JOUR A1 - Futterer, Birgit A1 - Brucks, A. A1 - Hollerbach, Rainer A1 - Egbers, Christoph T1 - Natural convection in sperical shells: dripping vortex flow for high Prandtl number fluids Y1 - 2006 ER - TY - JOUR A1 - Futterer, Birgit A1 - Brucks, A. A1 - Hollerbach, Rainer T1 - Thermal blop convection in sperical shells Y1 - 2007 ER -