Янаки Тенчов

Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Bl. 24, 1113 Sofia, Bulgaria

Volume 41 1-3 December 2012

Czech Geological Survey, Klarov 3/131, 118 21 Praha 1, Czech Republic
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Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St. Bl. 24, 1113 Sofia, Bulgaria

Volume 40 1-3 December 2011

Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Block 24; Sofia 1113, Bulgaria

Volume 39 3 December 2010

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia

Volume 36 1-2 June 2007

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

Volume 23 2 April 1993

Геологический институт, Болгарской академий наук, 1113 София
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Геологический институт, Болгарской академий наук, 1113 София

Volume 19 4 August 1989