TY - THES A1 - Mirghani, Muna T1 - Concepts and models for the characterization of the West Gedaref hydrogeologic system, Sudan Y1 - 2001 DO - 10.23689/fidgeo-217 PB - Univ. Berlin UR - http://hdl.handle.net/11858/00-1735-0000-0001-3161-4 ER -