| Influence of floral assemblage, facies and diagenesis on petrography and organic geochemistry of the Eocene Bourgas coal and the Miocene Maritza-East lignite (Bulgaria) A Bechtel, RF Sachsenhofer, A Zdravkov, I Kostova, R Gratzer Organic geochemistry 36 (11), 1498-1522, 2005 | 107 | 2005 |
| Vegetation differences and diagenetic changes between two Bulgarian lignite deposits–Insights from coal petrology and biomarker composition A Zdravkov, A Bechtel, RF Sachsenhofer, J Kortenski, R Gratzer Organic geochemistry 42 (3), 237-254, 2011 | 69 | 2011 |
| Stratigraphic distribution of macerals and biomarkers in the Donets Basin: Implications for paleoecology, paleoclimatology and eustacy A Izart, RF Sachsenhofer, VA Privalov, M Elie, EA Panova, VA Antsiferov, ... International Journal of Coal Geology 66 (1-2), 69-107, 2006 | 56 | 2006 |
| Palaeoenvironmental settings of the Sofia lignite basin: insights from coal petrography and molecular indicators М Stefanova, J Kortenski, A Zdravkov, S Marinov International Journal of Coal Geology 107, 45-61, 2013 | 39 | 2013 |
| Organic petrology, mineralogy and depositional environment of the Kipra lignite seam, Maritza-West basin, Bulgaria I Kostova, A Zdravkov International journal of coal geology 71 (4), 527-541, 2007 | 27 | 2007 |
| Novel polar biomarkers of the Miocene Maritza-East lignite, Bulgaria. М Stefanova, BRT Simoneit, SP Marinov, A Zdravkov, J Kortenski Organic Geochemistry 96, 1-10, 2016 | 20 | 2016 |
| Palaeoenvironmental implications of coal formation in Dobrudzha Basin, Bulgaria: Insights from organic petrological and geochemical properties A Zdravkov, A Bechtel, RF Sachsenhofer, J Kortenski International journal of coal geology 180, 1-17, 2017 | 15 | 2017 |
| Microscopical characterization of carbon materials derived from coal and petroleum and their interaction phenomena in making steel electrodes, anodes and cathode blocks for the … G Predeanu, C Panaitescu, M Bălănescu, G Bieg, AG Borrego, MA Diez, ... International Journal of Coal Geology 139, 63-79, 2015 | 14 | 2015 |
| Reconstruction of paleoenvironment during coal deposition in the Neogene Karlovo graben, Bulgaria A Zdravkov, I Kostova, RF Sachsenhofer, J Kortenski International journal of coal geology 67 (1-2), 79-94, 2006 | 14 | 2006 |
| Maceral composition and depositional environment of the coals from Beli Breg basin, Bulgaria A Zdravkov, J Kortenski Review of the Bulgarian Geological Society 65 (1-3), 157-166, 2004 | 11 | 2004 |
| Implications for peat formation in Maritsa-West Basin, SE Bulgaria: Insights from organic petrology, palynology and biomarker assemblage A Zdravkov, M Stefanova, E Worobiec, A Bechtel, S Marinov, J Kortenski International journal of coal geology 222, 103447, 2020 | 8 | 2020 |
| Characterization of organic matter from the Cretaceous sedimentary and volcano-sedimentary strata from Livingston Island, Antarctic Peninsula: Insights from organic petrology … I Kostova, A Zdravkov, A Bechtel, N Botoucharov, D Groβ, D Dochev, ... International Journal of Coal Geology 252, 103940, 2022 | 7 | 2022 |
| Depositional environment, organic matter characterization and hydrocarbon potential of Middle Miocene sediments from northeastern Bulgaria (Varna-Balchik Depression) A Zdravkov, A Bechtel, S Coric, RF Sachsenhofer Geologica Carpathica 66 (5), 409, 2015 | 7 | 2015 |
| Properties and depositional environment of the Neogene Elhovo Lignite, Bulgaria A Zdravkov, I Kostova, J Kortenski International journal of coal geology 71 (4), 488-504, 2007 | 6 | 2007 |
| Petrology and depositional environment of the coal from Bobov Dol basin, Bulgaria A Zdravkov, J Kortenski Ann. Univ. Min. Geol.“St. Ivan Rilski”, 47 1, 101-108, 2004 | 6 | 2004 |
| Fractional composition of organic matter in surface horizon of soils from" Bobov Dol" valley. B Hristov, E Filcheva, I Nikova, A Zdravkov, K Ruskov, D Petrov, ... | 5 | 2013 |
| PETROGRAPHIC COMPOSITION OF THE LIGNITE FROM STANIANTSI BASIN, BULGARIA A ZDRAVKOV, J KORTENSKI Comptes rendus de l'Academie bulgare des Sciences 61 (2), 217-224, 2008 | 5 | 2008 |
| Interlaboratory study: Testing reproducibility of solid biofuels component identification using reflected light microscopy A Drobniak, M Mastalerz, Z Jelonek, I Jelonek, T Adsul, NM Andolšek, ... International Journal of Coal Geology 277, 104331, 2023 | 4 | 2023 |
| Depositional settings of the Eocene Suhostrel bituminous coal, SW Bulgaria, inferred from organic petrology and molecular proxies A Zdravkov, D Groß, A Bechtel, K Stojanović, I Kojić International Journal of Coal Geology 276, 104319, 2023 | 4 | 2023 |
| Factors controlling the occurrence and distribution of iron in Bulgarian coals J Kortenski, A Zdravkov Rev. Bulg. Geol. Soc 81 (2), 27-40, 2020 | 4 | 2020 |
Biser HristovAssociate professor of Soil Science, at University of Forestry, Sofia, BulgariaПотвърден имейл адрес: ltu.bg
