TY - THES A1 - Mozzoni, David T1 - The changing geomagnetic field from the ionosphere to the core-mantle boundary Y1 - 2008 DO - 10.23689/fidgeo-555 PB - GFZ CY - Potsdam UR - http://hdl.handle.net/11858/00-1735-0000-0001-32BB-5 ER -