Ivan Zagorchev

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Babeş-Bolyai University, RO-400084, Cluj–Napoca, Romania
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Babeş-Bolyai University, RO-400084, Cluj–Napoca, Romania

Volume 46 1 July 2017

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

Volume 45 - December 2016

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

Volume 39 3 December 2010

Geological Institute, Bulgarian Academy of Sciences, Acad.G.Bonchev str. Bl. 24, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, Acad.G.Bonchev str. Bl. 24, 1113 Sofia, Bulgaria
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Dipartimento di Scienze della Terra, Università degli Studi di Ferrara, 44122 Ferrara, Italy

Volume 39 1-2 September 2010

Sofia University “St. Kliment Ohridsky”, 1000 Sofia, 15 Tsar Osvoboditel Blvd.
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Geological Institute Bulgarian Academy of Sciences, 1113 Sofia, 24 G. Bonchev Str.
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Geological Institute Bulgarian Academy of Sciences, 1113 Sofia, 24 G. Bonchev Str.
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Ministry of Environment and Water, 1000 Sofia, 22 Maria Louisa Blvd.

Volume 36 3-4 December 2007

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

Volume 36 1-2 June 2007

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

Volume 35 3-4 December 2006

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

Volume 34 3-4 December 2004

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

Volume 33 3-4 December 2003

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Akad. G. Bonchev Str., block 24
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Akad. G. Bonchev Str., block 24
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Akad. G. Bonchev Str., block 24
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Akad. G. Bonchev Str., block 24
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Akad. G. Bonchev Str., block 24
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Akad. G. Bonchev Str., block 24
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Akad. G. Bonchev Str., block 24

Volume 32 2-4 December 2002

Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev str. Bl. 24

Volume 32 2-4 December 2002

Geological Institute, 1113 Sofia, Bulgaria

Volume 32 2-4 December 2002

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia

Volume 31 1-2 June 2001

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

Volume 31 1-2 June 2001

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

Volume 31 1-2 June 2001

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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"Sofgeoprouchvane" Ltd.

Volume 30 1-2 June 2000

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

Volume 30 1-2 June 2000

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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"Sofgeoprouchvane" Ltd., Sofia

Volume 29 3-4 December 1999

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geology and Geophysics Ltd., Blvd Sitnyakovo 24, 1154 Sofia
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Volume 29 3-4 December 1999

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

Volume 28 1-2 August 1998

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

Volume 27 1-2 August 1997

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

Volume 26 2 June 1996

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

Volume 26 2 June 1996

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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IGME, Athens 11527
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Volume 26 1 March 1996

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

Volume 26 1 March 1996

Sofia University "St. Kliment Ohridski", 1000 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Sofia University "St. Kliment Ohridski", 1000 Sofia, Bulgaria
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Sofia University "St. Kliment Ohridski", 1000 Sofia, Bulgaria

Volume 26 1 March 1996

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

Volume 25 5-6 December 1995

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Volume 25 1 February 1995

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

Volume 25 1 February 1995

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

Volume 23 5 October 1993

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

Volume 23 5 October 1993

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

Volume 21 5 October 1991

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

Volume 20 6 December 1990

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

Volume 20 6 December 1990

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

Volume 19 6 December 1989

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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Volume 18 6 December 1988

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

Volume 18 5 October 1988

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

Volume 18 4 August 1988

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

Volume 18 3 June 1988

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Volume 18 3 June 1988

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Volume 17 6 December 1987

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

Volume 17 4 August 1987

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

Volume 16 5 October 1986

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

Volume 16 2 April 1986

Геологический институт Болгарской академий наук, 1113 София

Volume 11 3 September 1981