VOLUME 25 (3-4)/August 1995

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

LEPL Alexandre Janelidze Institute of Geology, Department of Tectonics, Regional Geology and Seismotectonics

Department of Geology, Faculty of Sciences, Shimane University, Nishikawatsu 1060, Matsue 690, Japan
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Department of Geology, Faculty of Sciences, Shimane University, Nishikawatsu 1060, Matsue 690, Japan

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Institute of Applied Mineralogy, 92 Rakovski Str., Bulgarian Academy of Sciences, 1000 Sofia
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Department of Geochemistry, 15 Tzar Osvoboditel Str., University of Sofia, 1000 Sofia
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Institute of Applied Mineralogy, 92 Rakovski Str., Bulgarian Academy of Sciences, 1000 Sofia
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Institute of Applied Mineralogy, 92 Rakovski Str., Bulgarian Academy of Sciences, 1000 Sofia