Institution: | (1) Division of General Geology and Geodynamics, University of Salzburg, Hellbrunner Str. 34, A-5020 Salzburg, Austria;(2) Department of Geology, Sofia University, Tzar Osvoboditel Blv. 15, Sofia, 1000, Bulgaria;(3) Present address: Nagra, Hardstrasse 73, 5430 Wettingen, Switzerland |