Personal Data

Occupations: Associate Professor, Dr.
Office Address: Head of Laboratory BEO Moussala,
Institute of Nuclear Research and Nuclear Energy,
Bulgarian Academy of Sciences,
72 Tzarigradsko Shaussee,
1784 Sofia, Bulgaria
Office Phone: (+359) 2 979 5611
Office Fax: (+359) 2 974 63 10
E-mail: Този имейл адрес е защитен от спам ботове. Трябва да имате пусната JavaScript поддръжка, за да го видите.
GSM: 0887445840

Professional Data

Education

1982-1987
University of Sofia ”St. Kliment Ohridski”
Subject: Physics, Specialization ”Radio Physics and Electronics” State exams 1987 (equivalent to MSc)
1999
Institute for Nuclear Research and Nuclear Energy, BAS
PhD degree in Physics, Thesis: "Amorphization and recrystallization of monocrystalline Si under the impact of accelerated heavy ions"

Experience

2005-present
Associate Professor Dr., Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
2000-2005
Assistant Professor (1-st degree) Dr., Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
1996-2000
Assistant Professor (2-nd degree) Dr., Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
1994-1996
Assistant Professor (3-rd degree) Dr., Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
1988-1994
Research Scientist, Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria

Languages

English, French, Russian

Societies

Interests

Scientific Projects

International Projects

- French-Bulgarian Project OM2, “Monitoring and management of mountain environment” (1993-1998)

- NUSES FP5 Project, “Nuclear Science for Sustainable Environment and Security” (2002-2003)

- HIMONTONET FP5 Project, “Joining of BEO Centre of Excellence to European Network of High Mountain Observatories” (2002-2003)

- 6 FP - BEOBAL “BEO Centre of Excellence Research Capacity Improvement for Sustainable Environment and Advanced Integration into ERA” Contract Number 016663, (01.04.2005 - 09.2007)

- 6 FP - EUSAAR (European Supersites for Atmospheric Aerosol Research), contract RII3-CT-2006-026140, (01.04. 2006 – 01.03.2011)

- 7 FP - ACTRIS (Aerosols, Clouds, and Trace gases Research InfraStructure Network), Project Number 265254, "Research Infrastructures for Atmospheric Research", (01.04.2011 - 31.03.2015)

- 7 FP - BACCHUS, "Impact of Biogenic versus Anthropogenic emissions on Clouds and Climate: towards a Holistic UnderStanding", (2013-2017)

- ACTRIS-2, H2020, "Aerosols, Clouds, and Trace gases Research InfraStructure", "Research Infrastructures for Atmospheric Research", (2015-2019)

Scientific Works

Thesis

PhD Title: "Amorphization and recrystallization of monocrystalline Si under bombardment with heavy ions", Supervisor Prof. Dr. Sci. Blagoi Amov

Papers

1. Т.Тroev, Ch.Angelov, I.Mincov, “Positron annihilation measurements of quenched-in defects in Ni”, Phys.Lett. A,138, N 1,2 , 1989, p. 65-68.

2. T.Troev, I.Mincov, A.Shofan, Ch.Angelov, “Positron lifetime and Doppler broadening of annihilation gamma-line measurements irradiated hromium”, Phys.Lett. A, 140, N 3 ,1989, p.147-150.

3. V.Dimova, G.Zlateva, V.Gaidarova, T.Markov, D.Danailov, Ch.Angelov, “Nitrogen Ion Implantation in Al-4.wt.%Cu alloy”, Bulg.J.Ph.5, v.20, N 3-4, p.39, 1993.

4. S.Balabanov, E.Skodreva, T.Tsvetkova, B.Amov, Ch.Angelov, A.Djakov, “Electrical and Optical properties of vitreous chalcogenide films after carbon ion implantation”, Proc. of the 8th Int. School on Vacuum, Electron and Ion Technologies, NOVA - New York, 1993.

5. S.Balabanov, E.Skodreva, T.Tsvetkova, B.Amov, Ch.Angelov, A.Djakov, “Influence of C+ Ion Implantation on the properties of amorphous chalcogenide films”, Proc. of the 8th Int. School on Vacuum, Electron and Ion Technologies, 26-31.10.1993, Varna, Bulgaria.

6. N.Tzenov, M.Tzolov, D.Dimova-Malinovska, T.Tsvetkova, Ch.Angelov, G.Adriaenssens, H.Pattyn, “Ion implantation induced modification of a-SiC:H”, Nucl.Instr. and Meth. B 84 (1994) 195-198.

7. S.Balabanov, E.Skordeva, V.Krastev, Ts.Marinova, A.Djakov, Ch.Angelov, “Peculiarities of the DC Conductivity of Thin Amorphous As-Se Layers after C+ Implantation”, Phys.stat.sol. (a) 151, p.143, 1995.

8. S.Balabanov, T.Tsvetkova, K.Nanev, E.Skordeva, Ts.Marinova, V.Krastev, B.Amov, Ch.Angelov. “Formation of carbon aggregates in ion-implanted amorphous As-Se. Journal of Non-Crystalline solids”, 192&193, (1995), 482-485.

9. S.Simov, M.Kalitzova, D.Karpuzov, R.Yankov, Ch.Angelov, J.Faure, P.Bonhomme, G.Balossier, “High-dose phenomena in Zn implanted Silicon crystals, J.Appl.Phys. 79(7), (1996), 3470-3476.

10. J.Faure, Ch.Angelov, M.Kalitzova, S.Simov, “Transmission electron microscopy investigation of the crystal-amorphous-polycrystal transition in silicon during bismuth room temperature ion implantation”, Nucl.Instr.Meth.B 132, (1997), 418-424.

11. M.Kalitzova, S.Simov, R.Yankov, Ch.Angelov, G.Vitali, M.Rossi, C.Pizzuto, G.Zollo, J.Faure, L.Kilian, P.Bonhomme, M.Voelskow, Amorphization and crystallization in high-dose Zn+ - implanted silicon”, J.Appl.Phys., 81 (3), (1997), 1143-1149.

12. Ch.Angelov, J.Faure, M.Kalitzova, A.Djakov, “Atomic force microscopy investigation of Zn+-implanted Si at high doses”, ISCMP, Varna96, World Scientific, Singapore (1997), 361-364.

13. Ch.Angelov, J.Faure, M.Kalitzova, S.Simov, T.Tzvetkova and A.Djakov, “Effects of high dose Bi+ implantation in Si: An atomic force and transmission electron microscopy study”, - Vacuum, v.51, N 2, (1998), 285-288.

14.  B.Sealy, R.Gwilliam, J.Shannon, C. Jeynes, Ch.Angelov and T.Tzvetkova, “Surface electrical conductivity of Co+ - implanted a - SiC:H films”, - Vacuum, v.51, N 2, (1998), 281-284.

15. M.Kalitzova, S.Simov, R.Yankov, Ch.Angelov, G.Vitali, M.Rossi, C.Pizzuto, G.Zollo, J.Faure, L.Kilian, P.Bonhomme, Ion-Beam-Induced Crystallization and Amorphization in Zn+ - implanted Silicon”, Journal of Physical Studies, v.2, No 2, (1998), 1-8.

16. Ch.Angelov, A.Djakov, “High-dose phenomena in Si implanted with heavy ions (Pb and Bi)”, Proc. of Sec. YUNSC’98, Belgrade, Yugoslavia, p.579.

17. Ch.Angelov, J.Faure, M.Kalitzova, S.Simov and A.Djakov, “Te+ implantation in Silicon: Atomic force and Transmission electron microscopy studies”, ISCMP, Varna 98, World Scientific, Singapore (1999), p.417-420.

18. A.Toneva, E.Goranova, Ts.Marinova, V.Krastev, G.Beshkov and Ch.Angelov, “XPS investigation of iron silicide thin films“, ISCMP, Varna 98, World Scientific, Singapore (1999), p.554-557.

19. D.B.Dimitrov, J.Koprinarova, J.Pazov, Ch.Angelov, “Conductivity of micro-porous magnetron sputtered thin TiO2 films”, Vacuum, 58, (2000). 344-350.

20. V.Daraktchieva, E.Goranova, M.Baleva, Ch.Angelov, “Ion beam synthesis of  b-FeSi2, ”, Vacuum, 58, (2000). 415-419.

21. P.Vitanov, M.Delibasheva, M.Peneva, E.Goranova, Ch.Angelov, V.Dimov, “Structure and morphological studies of thin porous silicon layers”, ”, Vacuum, 58, (2000). 351-357.

22. Ch. Angelov, A Djakov, “TEM, AFM and RBS studies of  Pb+ implantation in Si (100), Proc. of YUNSC’2000, Belgrade, 439-444.

23. T.Tsvetkova, S.Balabanov, B.Amov, Ch.Angelov, J.Zuk, D.Maczka, G.J.Adriaensses and K.Iakoubovskii, “Modification of the electronic properties of a-Si1-xCx:H by Fe+ ion implantation”, 2000 MRS Fall Meeting, Boston, USA. 

24. Ch.Angelov, M.Baleva, V.Daraktchieva, E.Goranova, M.Surtchev, “Infrared vibrational spectra of b-FeSi2 and Fe2O3 ISCMP2000, World Scientific, Singapore (2001), p.428.

25. Ch.Angelov, M.Baleva, E.Goranova, V.Daraktchieva, D.Karpuzov, M.Surtchev, “Optical

band gap of b-FeSi2 phase” ISCMP2000, World Scientific, Singapore (2001), p.456.

26. Ch.Angelov, V.Mikli, M.Kalitzova, G.Beshkov, “Pb and Bi nanoclusters precipitation in high-dose implanted and RTA Si: SEM and X-ray analyses”, ISCMP2000, World Scientific, Singapore (2001), p.452.

27. Ch.Angelov, P.Groudev, V.Mikli, “Use of atomic-force microscopy for characterisation of silicon implanted with heavy ions at high doses”, ISCMP2000,World Scientific, Singapore (2001), p.460.

28. B.Sealy, R.Gwilliam, J.Shannon, C.Jeynes, T.Tsvetkova, Ch.Angelov, N.Tzenov, M.Tzolov, D.Dimova-Malinovska, “Formation of CoSi2 in a-Si1-x:H by high doses Co+ implantation”, ISCMP2000, World Scientific, Singapore (2001), p.476.

29. K.Velitchkova, K.Krezhov, S.Balabanov, Ch.Angelov, “Gamma irradiation effects on the d.c. voltage - current characteristics of carbon implanted polymers”, ISCMP2000, World Scientific, Singapore (2001), p.488.

30. M.Kalitzova, G.Zollo, R.Yankov, Ch.Angelov, S.Simov, C.Pizzuto, J.Faure, L.Kilian, P.Bonhomme, D.Manno, M. Voelskow, G.Vitali “Ion-Beam-Assisted Nanocrystal Formation in Silicon Implanted with High-Doses of Pb+ and Bi+ ions”, Jpn. J. Appl. Phys. v. 40 (2001), 5841-5849.

31. P.Bankov, M.Kalitzova, D.Karpuzov, G.Zollo, G.Vitali, C.Pizzuto, Ch.Angelov, J.Faure, L.Kilian, “Dose dependent dynamics of nanocluster precipitate distribution in silicon implanted with Te+ and Pb+ ions: computer simulation and TEM study”, Vacuum 69, 455-460, 2003.

32. L.Pavlov, Ch.Angelov, V.Mikli, A.Djakov, “Microstructural changes and optical properties of laser annealed bismuth-implanted silicon”, Vacuum 69, 119-124, 2003.

33. Ch. Angelov, A. Kinomura, A. Peeva, W. Skorupa, Y. Horino, and M.Takai, “Ion beam induced epitaxial crystallization of silicon implanted with heavy ions”, Nucl. Instr. and Meth. B 206 (2003) 907-911.

34. S. Kaschieva, S.N.Dmitriev, and Ch. Angelov, “Electron beam and g-irradiation of ion implanted MOS structures with different oxide thickness”, Nucl. Instr. and Meth. B 206 (2003) 452-456.

35. M.Baleva, E.Goranova, Ch.Angelov, G.Beshkov, “On the refractive index dispersions of ion beam synthesis b-FeSi2 layers”, J. Mat. Sci. – Materials in Electronics, 14, 2003, 849-850 .

36. S. Ichihara, T. Nakagawa, M. Nitta, S. Abo, T. Lohner, C. Angelov, M. Takai, “Characterization of dopant profiles produced by ultrashallow As implantation and spike annealing using Medium Energy Ion Scattering (MEIS)”, Nucl. Instr. and Meth., B, 219-220 (2004) 584-588.

37. P. Vitanov, A. Harizanova, Ch. Angelov, I. Petrov, Z. Aleksieva, “Structure and optical properties of (Al2O3)x(TiO)1-x thin films prepared by a sol-gel processing”, Vacuum 76, 215-218, 2004.

38. M. Kalitzova, K. Gesheva, E. Vlakhov, Y. Marinov, D. Gogova, T. Ivanova, Ch. Angelov, N. Pashov, G. Zollo, G. Vitali “High frequency electromagnetic field processing of amorphous silicon layers containing nanoclusters produced by implantation of metal ions in Si(100) matrix”, Nucl. Instr. and Meth., B, 229, (2005) 65-72.

39. Ch. Angelov, T. Lohner, M. Takai, A. Kinomura, St. Georgiev, “Structural study of the beam crystallized Si samples by using medium energy ion scattering”, Jounal of Optoelectronics and Advanced Materials, v.7, 457-460, 2005.

40. Ch. Angelov, Bl. Amov, A. Kinomura, E. Goranova, G. Beshkov, M. Takai, “Depth profiles and crystallization behaviour of Mg ions implanted into Si” Journal of Optoelectronics and Advanced Materials, v.7, 465-468, 2005.

41. Ch. Angelov, V. Mikli, Bl. Amov, E. Goranova, “AFM and SEM investigations of ion beam synthesized Mg2Si precipitates in Si substrates” Journal of Optoelectronics and Advanced Materials, v.7, 369-372, 2005.

42. S. Terzieva, A. Stoyanova-Ivanova, K. Zalamova, V. Mikli, Ch. Angelov, V. Kovachev, “Morphology of Y1Ba2Cu3Oz and Y0.7Ca0.3Ba2Cu3Oz bulk samples depending on Ca-substitution” Journal of Optoelectronics and Advanced Materials, v.7, 477-480, 2005.

43. A. Stoyanova-Ivanova, S. Terzieva, A. Zahariev, H. Ignatov, K. Zalamova, Ch. Angelov, “ The influence of Pr-Ca substitution over phase formation, microstructure and oxygen content in YBCO bulk sample” Journal of Optoelectronics and Advanced Materials, v.7, 431-434, 2005.

44. K. G. Grigorov, I. Nedkov, G. Beshkov, Ch. Angelov, H. S. Maciel, I. C. Oliveira, W. Matz, R. Groetzchel, “AIN films obtained by broad energy nitrogen ion implantation and rapid thermal annealing process”, Journal of Optoelectronics and Advanced Materials, v.7, 381-384, 2005.

45. A. Atanassov, G. Zlateva, M. Baleva, E. Goranova , B. Amov, C. Angelov , V. Mikli, “Raman Scattering Characterization of Ion-Beam Synthesized Mg2Si, 1 Influence of the Technological Conditions on the formation of the Mg2Si in (100) Si Matrix”, Plasma Process. Polym., 2006, 3, 219-223.

46. S. Kaschieva, C. Angelov, S.N. Dmitriev, G. Tsutsumanova, “RBS investigation of ion implanted Si-SiO2 structures irradiated with 20 MeV electrons”, Plasma Process. Polym., 2006, 3, 233-236.

47. Ch. Angelov, St. Georgiev, B. Amov, T. Lohner, V. Mikli, “Solid phase and ion beam epitaxial crystallization of Si implanted with Zn and Pb ions”, Journal of Optoelectronics and Advanced Materials, v.9, № 2, 311-314, 2007.

48. Ch. Angelov, St. Georgiev, B. Amov, E. Goranova, V. Mikli, I. Dézsi, E. Kótai, ”Study of the ion implanted Fe depth distribution in Si after pulsed ion beam treatment”, Journal of Optoelectronics and Advanced Materials, v.9, № 2, 307-310, 2007.

49. S. Terzieva, A Stoyanova-Ivanova, V. Mikli, A. Zahariev, Ch. Angelov, Y. Dimitriev and V. Kovachev, “The influence of the partial Ca substitution on the microstructure of YBCO tapes”, Journal of Optoelectronics and Advanced Materials, v.9, № 2, 453-455, 2007.

50. A.Stoyanova-Ivanova, S.Terzieva, A.Staneva, V.Mikli, Ch.Angelov, V.Kovachev,

Journal of the University of Chemical Technology and Metallurgy, 42, 4, 423-426.

“The influence of the partial Ca-Pr substitution on the microstructure of Y0.96Pr0.04Ba2Cu3Oz

and Y0.71Pr0.04Ca0.25Ba2Cu3Oz superconducting ceramics”, 2007

51. T. Lohner, C. Angelov, V. Mikli, “Comparative ellipsometric and ion beam analytical studies on ion beam crystallized silicon implanted with Zn and Pb ions”, Thin Solid Films 516 (22), pp. 8009-8012, 2008

52. Ch. Angelov, Bl. Amov, V. Mikli, R. Traksmaa, “Structural investigations of ion beam synthesized β-FeSi2”, Journal of Optoelectronics and Advanced Materials, v.11, 1490-1493, 2009

53. S. Kaschieva, Ch. Angelov, S. N. Dmitrev, “MeV electron irradiation of O+ or P+ implanted Si-SiO2 structures”, Journal of Optoelectronics and Advanced Materials, v.11, 1502-1504, 2009

54. A. Staneva, A. Stoyanova-Ivanova, S. Terzieva, J. Shoumarova, K. Grigorov, A. Zaleski, V. Mikli, Ch. Angelov, Y. Dimitriev,  “BSCCO ceramics doped with ferromagnetic manganite phases”, Journal of Optoelectronics and Advanced Materials, v.11, 1541-1544, 2009

55. J.Stamenov, Ch. Angelov, I. Angelov, T. Arsov, N.Archangelova, A.Boyukliiski, A.Damianova, L.Drenska, K.Georgiev, I. Kalapov, A.Nishev, N.Nikolova, I.Penev,  A.Tchorbadjieff, B.Vachev, B. Boyuklieva, A. Boyadjieva, I. Pavchinska, “Basic Environmental Observatory (BEO) at Moussala Peak – High Mountain Station for Complex Monitoring Studies, Journal of Balkan Ecology, v. 13, N 2, 2010.

56. I.Penev, J.Stamenov, M.Drenska, , H. Angelov, S.Georgiev, I.Kalapov, N.Uzunov, N.Archangelova, H.Hristov,  “Origin and behavior of 7Be in the air masses in the vicinity of Moussala Peak”, Comptes rendus de l’Academie bulgare des Sciences, tome 63, № 9, pp. 1273-1278, 2010

57. I.Penev, J.Stamenov, M.Drenska, I.Kalapov, H. Angelov, S.Georgiev, N.Uzunov, H.Hristov, N.Archangelova, “Natural 7Be  Radioactivity of Aerosols at Vicinity of Moussala  Peak, Bulgaria”, Journal of Balkan Ecology, vol. 14, № 1, 2011

58. Ch. Angelov, I. Angelov, T. Arsov, N.Archangelova, A.Boyukliiski, A.Damianova, L.Drenska, K.Georgiev, I. Kalapov, A.Nishev, N.Nikolova, I.Penev, I.Sivriev, J.Stamenov, A.Tchorbadjieff, S.Todorov, B.Vachev, “BEO Moussala – a new facility for complex environmental studies”, Int. Conf.  “Identifying the Research Basis for Sustainable Development of the Mountain Regions in Southeastern Europe”, Springer, p. 123-139, 2011

59. I.Penev, J.Stamenov, M.Drenska, I.Kalapov, Hr. Angelov, S.Georgiev, I. Kalapov, N.Archangelova, H.Hristov, N.Uzunov, “Monitoring and Analysis of 7Be Quantity in the Air Aerosols in the Vicinity of Peak Moussala”,  Int. Sci.Conf. UNITECH, v. III, p. 541, 18-19.11.2011, Gabrovo, Bulgaria.

60. I.Penev, St.Georgiev, , Hr. Angelov, I.Kalapov,  N.Archangelova, D. Vasileva, H.Hristov, N.Uzunov, “Trans-Continental Airborne Transfer of Radioactive Isotopes from Fukushima Nuclear Power Plant Failure”, Int. Sci.Conf. UNITECH, v. III, p. 552, 18-19.11.2011, Gabrovo, Bulgaria.

61. И. Пенев, Хр. Ангелов, Ст. Георгиев, А. Чорбаджиев, ”Радиационният фон в района на вр. Мусала, БЕО Мусала, след инцидента „Фукушима”, Доклади на БЯД, том 16, № 2, стр. 15-19, 2011.

62. Müller T., Henzing J.S., De Leeuw G., Wiedensohler A., Alastuey A., Angelov H., Bizjak M., Collaud Coen M., Engström J.E., Gruening C., Hillamo R., Hoffer A., Imre K., Ivanow P., Jennings G., Sun J.Y., Kalivitis N., Karlsson H., Komppula M., Laj P., Li S.-M., Lunder C., Marinoni A., Martins Dos Santos S., Moerman M., Nowak A., Ogren J.A., Petzold A., Pichon J.M., Rodriquez S., Sharma S., Sheridan P.J., Teinilä K., Tuch T., Viana M., Virkkula A., Weingartner E., Wilhelm R., Wang Y.Q, "Characterization and intercomparison of aerosol absorption photometers: Result of two intercomparison workshops", Atmospheric Measurement Techniques, 4 (2) , pp. 245-268, 2011

63. S. Kaschieva, A. Gushterov, Ch. Angelov, S.N. Dmitriev, “Formation of Si nanocrystals in ion implanted Si-SiO2 structures by MeV electron irradiation”, Journal of Physics: Conference Series 356, 012005, 2012

64. A. Tchorbadjieff, I. Angelov, Ch. Angelov, J. Stamenov, N. Nikolova, T. Arsov, I. Kalapov, A.Boyadjieva,"Detection of Solar particle events in March 2012 at BEO Moussala". Bulgarian Astronomical Journal Volume 18-2, 2012

65. Assen Tchorbadjieff, Ch. Angelov, I. Angelov, T. Arsov, I. Kalapov, N. Nikolova, A. Boyadjieva, "Detection of Coronal Mass Ejections (CMEs) in the period of March-May 2012 at Moussala peak", Comptes rendus de l’Academie bulgare des Sciences, vol 66, №5, pp. 659-666, 2013.

66. I. Penev, Hr. Angelov, “Monitoring of aerosol radioactivity at BEO Moussala – main results and conclusions for 7 years”, Доклади на БЯД, том 18, бр. 1, стр. 57, 2013

67. Christo Angelov, Nina Nikolova, Ivo Kalapov, Todor Arsov, Assen Tchorbadjieff, Aneta Boyadjieva, Stefan Tsakovski, Petra Přibylová, Petr Kukučka, Jana Boruvková, Jana Klánová, “High-Mountain Monitoring of Persistent Organic Pollutants at the Basic Environmental Observatory Moussala”, Comptes rendus de l’Acade'mie bulgare des Sciences, Vol 67, No8, pp.1129-1136, 2014.

68. S. Kaschieva, A. Gushterov, Ch. Angelov, S.N. Dmitriev, “Effect of MeV electron irradiation on Si-SiO2 structures”, Journal of Physics: Conference Series 514, 012039, 2014

69. I. Penev, S. Georgiev, Hr. Angelov, T. Arsov, “Spectroscopic monitoring of gamma-rays of Earth and space origin in the 150-6400 keV range at Moussala BEO”, Comptes rendus de l’Acade'mie bulgare des Sciences, Vol 68, No 4, pp.449 454, 2015.

70. Assen Tchorbadjieff, Christo Angelov, Todor Arsov, Nina Nikolova, Ivo Kalapov, Aneta Boyadjieva, “Sahara Dust Events over South-western Bulgaria During the Late Spring of 2013”, Comptes rendus de l’Acade'mie bulgare des Sciences, Vol 68, No10, pp.1229-1234, 2015

71. Ch. Angelov, N. Nikolova, T. Arsov, I. Kalapov, A. Tchorbadjiev, I. Penev, I. Angelov, “BEO Moussala: Complex for Environmental Studies”, “Sustainable development in Mountain regions, Southeastern Europe”, Springer, Chapter 24, pp. 349-365, 2016

72. Christo Angelov, Todor Arsov, Ilia Penev, Nina Nikolova, Ivo Kalapov, Stefan Georgiev, “Aerosol and gamma background measurements at Basic Environmental Observatory Moussala”, Acta Scientifica Naturalis, vol. 3, No 1, pp. 33-38, 2016

73. S. Kaschieva, Ch. Angelov, S.N. Dmitriev, “MeV electron irradiation of Si-SiO2 structures with magnetron sputtered oxide”, Journal of Physics: Conference Series, Volume 700, Number 1, 2016

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