Publication list of G. Corradi

 

1. C. Hargitai, G. Corradi: On the contribution to the electronic specific heat due to nearly magnetic impurities.

     Solid State Comm. 7, 1535-38  (1969)

 

2. G. Corradi, I. M. Gomaa, R. Voszka: First stage coloration of pure and Ca doped NaCl at room temperature.

     phys. stat. sol. (a) 8, K81-83 (1971)

 

3. M. F. Deigen, B. D. Shanina, V. S. Viknin, I. M. Zaritskii, A. A. Konchits, G. Corradi, R. Voszka, V. M. Maevskii, V.V.Udod: Spin-lattice relaxation of F and FA(Li) centers in KCl:Li+.

     Fiz. Tverd. Tela 15, 434-439 (1973);  Sov. Phys. Solid State 15, 310-313 (1973)

 

4. Yu. S. Gromovoi, V. G. Grachev, V. V. Teslenko, G. Corradi: EPR of hole centers in NaF:Ca.

     Fiz. Tver. Tela 16, 1806 (1974);  Soviet Physics Solid State 16, 1177 (1974)

 

5. G. Corradi, R. Voszka, I. M. Gomaa: On radiolysis in NaCl at room temperature.

     Acta Phys. Hung. 38, 243-252 (1975)

 

6. J. Janszky, G. Corradi, R. N. Gyuzalian: On a possibility of analysing the temporal characteristics of short light pulses.

     Optics Comm. 23, 293-298 (1977)

 

7. Corradi G., Janszky J.: Non-collinear second harmonic generation of laser pulses limited in time and space (in Hungarian, original title: Nemkollineáris második harmonikus keltés idöben és térben limitált lézerimpulzusokra.)

     Proceedings of the conference Optika'78, Budapest 1978, p.157-159

 

8. V. S. Vikhnin, Yu. S. Gromovoi, I. M. Zaritskii, G. Corradi: Spin-lattice relaxation of the VK-center in LiF.

     J. Phys. Chem. Sol. 39, 1113-18 (1978)

 

9. G. Corradi, Yu. S. Gromovoi, V. S. Vikhnin, I. M. Zaritskii: Spin-lattice relaxation of the VK-center.

     Magnetic Resonance and Related Phenomena, ed. by E. Kundla et al., Springer, Berlin 1979, p.279

 

10.  J. Janszky, G. Corradi, Z. Gy. Horváth, R. N. Gyuzalian: Investigation of the  temporal fine structure of picosecond laser pulses.

       Symp. Optika 80, Budapest 1980, p.289-294.

 

11. Horváth Z., Cséry H., Corradi G., Janszky J.: A new type of non-linear variable resistor and potentiometer (in Hungarian, original title: Új tipusú nemlineáris változtatható ellenállás és potenciométer)                               

       Hazai kutatóintézetekben kifejlesztett új fizikai mérési módszerek és mérôeszközök, Ed. Groma G. and Szentirmay Zs., MTESz, ELFT 1980, p. 181-183

 

12. Guzalian R. N., Corradi G., Janszky J., Horváth Z.: Procedure and apparatus for the measurement of the duration of picosecond light pulses.

       USSR Patent, list No. 772392, 1980,

       Hungarian patent MA 2887, 1982 (list No. 175784)

 

13. G. Corradi, J. Janszky, Z. Horváth, H. Cséry; Layer-type two or many-electrode variable resistor realizing arbitrary functions.

       Hungarian patent MA 2909, 1981 (list No. 175124)

 

14. Janszky J., Corradi G., Horváth Z., Gyuzalian R.N.: Investigation of the temporal structure of picosecond laser pulses (in Hungarian) Pikoszekundumos lézer-impulzusok idôbeli struktúrájának vizsgálata.

       Finommechanika-Mikrotechnika 20, 180-182 (1981)

 

15. V. S. Vikhnin, G. Corradi: On the tunneling spin-lattice relaxation of FA(Li)-centres in KCl.

       Bulletin of Magnetic Resonance 2, 195 (1981)

 

16.  G. Corradi, V. S. Vikhnin, I. M. Zaritskii, Yu. S. Gromovoi: Mechanisms of spin-lattice relaxation of VK and related centres.

       J. Phys. Chem. Sol. 42, 995-1007  (1981)

 

17.  I. Földvári, A. Fekete, G. Corradi: Prospects and difficulties in the far and vacuum ultraviolet spectroscopy of DNA.

       J. Biochem. Biophys. Methods 5, 319-327 (1981)

 

18. J. Janszky, G. Corradi, R. N. Gyuzalian: Second harmonic beam analysis of ultrashort laser pulses: calculation of the fine structure.

       Optica Acta 29, 51-54 (1982)

 

19.  G. Corradi, K. Polgár, I. M. Zaritskii, V. S. Vikhnin: Paramagnetic relaxation of 3d ions in LiNbO3.

       Physics and Applications 9, 109-111 (1982)

 

20.  J. Janszky, G. Corradi, S. A. Arakelian, R. N. Gyuzalian, S. B. Sogomonian: Sum frequency beam analysis for the determination of the temporal characteristics of ultrashort light pulses.

       Optical and Quantum Electronics 16, 109-115 (1984)

 

21.  J. Janszky, G. Corradi, R. N. Gyuzalian: Tilted-pulse second-harmonic beam analysis for femtosecond to subnanosecond laser pulse-duration measurements.

       Appl. Physics B 33, 79-82 (1984)

 

22.  J. Janszky, G. Corradi, D. S. Hamilton: Temporal analysis of short laser pulses using degenerate 4-wave mixing.

       Appl. Optics 23, 8-9 (1984)

 

23.  G. Corradi, K. Polgár, V. S. Vikhnin, L. G. Dovtshenko, I. M. Zaritskii: Spin-lattice relaxation of Mn2+, Cr3+ and Cu2+ in LiNbO3.

       Fiz. Tverd. Tela 26, 252-254 (1984);  Sov. Phys. Solid State 26, 149-150 (1984)

 

24.  A. Watterich, I. Földvári, G. Corradi, H. Opyrchal: Comment on the identification of Z centres in LiF:Mg and LiF:Mg,Ti single crystals.

       phys. stat. sol. (b) 121, 117-125 (1984)

 

25.  G. Corradi, E. Rzepka, K. Polgár: Influence des impuretés cationiques (Cu, Cr, Ni, Er) sur les spectres Raman du niobate de lithium.

       phys. stat. sol. (b) 125, K13-16 (1984)

 

26.  J. Janszky, G. Corradi, D. S. Hamilton: Time-to-space mapping of ultrashort laser pulses by nonlinear methods.

       Symp. Optika 84, G.Lupkovics, A.Podmaniczky, Co-Editors, Proc. SPIE 473, p. 242-245 (1984)

 

27.  G. Corradi, K. Polgár, A. A. Bugaii, I. M. Zaritskii, L. G. Rakitina, V. G. Grachev, N. I. Derjugina: Models of Ni+ and Cu2+ impurity centers in LiNbO3.

       Fiz. Tverd. Tela 28, 739-748 (1986);  Sov. Phys. Solid State 28, 412-417 (1986)

 

28.  J. Janszky, R. H. Bartram, A. R. Rossi, G. Corradi: Effective-core potential calculations of sulphur, selenium and tellurium dioxides and dihydrides.

       Chem. Phys. Lett. 124, 26-30 (1986)

 

29.  J. Janszky, G. Corradi: Full intensity profile analysis of ultrashort laser pulses using four-wave mixing or third harmonic generation.

       Optics Comm. 60, 251-256 (1986)

 

30. G. Corradi, R. H. Bartram, A. R. Rossi, J. Janszky: A molecular cluster model of the VO• center in paratellurite.

       J. Phys. Chem. Solids 48, 675-682 (1987)

 

31.  A. P. Zdebskii, N. I. Derjugina, A. N. Annaniyazov, G. Garyagdyev, G. Corradi, K. Polgár: Optically and acoustically stimulated changes in the electromechanical properties of LiNbO3:Mg crystals.

       Pis'ma Zh. Tekh. Fiz. 14, 2171-74 (1988);  Sov. Tech. Phys. Lett. 14, 941-942 (1988)

 

32.  G. Corradi, K. Polgár, I. M. Zaritskii, L. G. Rakitina, N.I.Derjugina: Characteristics of defect formation under  g -irradiation and heat treatment of pure and doped lithium niobate single crystals.

       Fiz. Tverd. Tela 31, 115-122 (1989);  Sov. Phys. Solid State 31, 1540-44 (1989)

 

33.  L. G. Rakitina, I. M. Zaritskii, G. Corradi, K. Polgár: Mechanisms of ESR linewidth broadening of polaron centres in LiNbO3:Ti subjected to radiational and thermal treatments.

       Fiz. Tverd. Tela 32, 1112-15 (1990);  Sov. Phys. Solid State 32, 652-654 (1990)

 

34.  G. Corradi, A. Watterich, I. Földvári, R. Voszka, J. R. Niklas, J.-M. Spaeth, O. R. Gilliam, L. A. Kappers: Radiation-induced intrinsic defects in TeO2.

       J. Phys. Condens. Matter 2, 4325-39 (1990)

 

35.  G. Corradi, H. Söthe, J.-M. Spaeth, K. Polgár: Mn2+ defects in LiNbO3: an electron nuclear double resonance (ENDOR) investigation of the Mn2+ site and the local disorder.

       J. Phys. Condens. Matter 2, 6603-18 (1990)

 

36.  G. Corradi, H. Söthe, J.-M. Spaeth, K. Polgár: Electron spin resonance and electron nuclear double-resonance investigation of a new Cr3+ defect on a Nb site in LiNbO3:Mg:Cr.

       J. Phys. Condens. Matter 3, 1901-8 (1991)

 

37.  I. M. Zaritskii, L. G. Rakitina, A. A. Bugai, K. Polgár, G. Corradi: Paramagnetic radiation defects of hole character in LiNbO3:Mg.

       Fiz. Tverd. Tela 33, 2231-33 (1991);  Sov. Phys. Solid State 33, 1259-60 (1991)

 

38.  G. Corradi, H. Söthe, J.-M. Spaeth, K. Polgár: ENDOR for characterizing transition metal centres in LiNbO3.

       Radiat. Eff. Def. Solids, 119-121, 583-587 (1991)

 

39.  I. M. Zaritskii, L. G. Rakitina, G. Corradi, K. Polgár, A. A. Bugai: A new trapped-hole radiation defect in heavily Mg-doped LiNbO3.

       J. Phys. Condens. Matter 3, 8457-65 (1991)

 

40.  H. Overhof, G. Corradi: Electronic structure of isolated aluminium point defects and defect pairs in silicon.

       Materials Science Forum 83-87, 279-284 (1991)

 

41.  G. Corradi, H. Söthe, J.-M. Spaeth, K. Polgár: Local environment of Mn2+ and Cr3+ centres in LiNbO3: Discussion of recent ENDOR results.

       Ferroelectrics, 125, 295-299 (1992)

 

42.  O. Thiemann, G. Corradi, H.-J. Reyher: ODMR investigations of transition metals in LiNbO3.

       Ferroelectrics, 125, 283-288 (1992)

 

43.  I. M. Zaritskii, L. G. Rakitina, A. A. Konchits, G. Corradi, K. Polgár: Non-resonant microwave absorption in low magnetic fields in LiNbO3:Mg:Cr(Fe).

       Pis'ma Zh. Eksp. Teor. Fiz. 55, 516-519 (1992); Sov. Phys. JETP Lett. 55, 535-538 (1992)

 

44.  H. Overhof, H. Weihrich, G. Corradi: Electronic structure of isolated aluminum point defects and associated trigonal pairs and clusters in Si.

       Phys. Rev. B 45, 9032-41 (1992)

 

45.  L. Kovács, L. Rebouta, J. C. Soares, M. F. da Silva, M. Hage-Ali, J. P. Stoquert, P. Siffert, J. A. Sanz-Garcìa, G. Corradi, Zs. Szaller, K. Polgár: On the lattice site of trivalent dopants and the structure of Mg2+-OH--M3+ defects in LiNbO3:Mg crystals.

       J. Phys.: Condens. Matter 5, 781-794 (1993)

 

46.  I. M. Zaritskii, L. G. Rakitina, G. Corradi, K. Polgár: Superconductivity features near room temperature in LiNbO3:Mg codoped with Cr or Fe.

       Proceedings of the XIIth Intern. Conference on Defects in Insulating Materials, Vol. 2, Eds. O. Kanert & J.-M. Spaeth, World Scientific 1993, pp.1023-5.

47.  O. Thiemann, G. Corradi, H.-J. Reyher: Optical properties of Cr3+ centers in LiNbO3 and Al2O3.

       Proceedings of the XIIth Intern. Conference on Defects in Insulating Materials, Vol. 2, Eds. O. Kanert & J.-M. Spaeth, World Scientific 1993, pp.1121-3.

   

48.  A. Watterich, G. J. Edwards, O. R. Gilliam, L. A. Kappers, G. Corradi, Á. Péter, B. Vajna: Paramagnetic defects in ZnWO4 single crystals induced by electron irradiation at room temperature.

       J. Phys. Chem. Solids 55, 881-887 (1994)

 

49.  G. Corradi, A. V. Chadwick, T. West, K. Cruickshank and M. Paul: On the substitution site of Cr and Fe in LiNbO3: an EXAFS study

       Rad. Eff. Def. Solids 134, 219-222 (1995)

 

50.  M. Wöhlecke, G. Corradi and K. Betzler: Optical methods to characterise the composition and homogeneity of LiNbO3 single crystals.

       Appl. Phys. B 63, 323-330 (1996)

 

51.  K. Polgár, Á. Péter, L. Kovács, G. Corradi and Zs. Szaller: Growth of stoichiometric LiNbO3 single crystals by top seeded solution growth method.

       J. Crystal Growth 177, 211-216 (1997)

 

52.  P. D. Townsend, A. P. Rowlands and G. Corradi: Thermoluminescence during a phase transition.

       Rad. Measurements 27, 31-36 (1997)

 

53.  L. Kovács, G. Ruschhaupt, K. Polgár, G. Corradi and M. Wöhlecke: Composition dependence of the UV absorption edge in lithium niobate.

       Appl. Phys. Lett. 70, 2801-3 (1997)

 

54.  G. Corradi, I. M. Zaritskii, A. Hofstaetter, K. Polgár and L. G. Rakitina: Ti3+ on Nb site: A paramagnetic Jahn-Teller center in vacuum-reduced LiNbO3:Mg:Ti single crystals.

       Phys. Rev. B 58, 8329-37 (1998)

 

55.  L. G. Rakitina, B. D. Shanina,  G. Corradi,  K. Polgár: Electron transfer through ordered metallic chains in LiNbO3(Mg;Zn):Me 3d1,                                                
J. Magnetism and Magn. Mater. 184, 238-240 (1998).

 

56.  G. Corradi, L. Kovács and I. M. Zaritskii: Optical absorption edge and some shallow donor levels in LiNbO3 systems.

       Rad. Eff. Def. Solids 150, 211-219 (1999)

 

57.  L. Grigorjeva, D. Millers, G. Corradi, K. Polgár and V. Pankratov: Induced optical absorption and its relaxation in LiNbO3.

       Rad. Eff. Def. Solids 150, 193-198 (1999)

 

58.  T. Becze-Deák, L. Bottyán, G. Corradi, L. Korecz, D. L. Nagy, K. Polgár, S. Sayed and H. Spiering: Electron trapping centres and cross sections in LiNbO3 studied by 57Co Mössbauer emission spectroscopy

       J. Phys. Condens..Matter 11, 6239-6250 (1999)

 

59.  V. Pankratov, L. Grigorjeva, D. Millers, G. Corradi and K. Polgár: Luminescence of ferroelectric crystals: LiNbO3 and KNbO3,

       Ferroelectrics, 239, 241-250 (2000)

 

60.  G. Corradi: Nb4+ polaron and Ti3+ shallow donor Jahn-Teller centers in LiNbO3 systems, in "Defects and surface induced effects in advanced perovskites", Eds. G. Borstel, A. Krumins and D. Millers, NATO Science Series, 3. High Technology, Kluver Akad. Publishers, Dordrecht, Boston, London, Vol. 77, 1999,  pp. 89-100.

 

61.  H. M. Yochum, K. B. Ücer, R. T. Williams, L. Grigorjeva, D. Millers and G. Corradi: Subpicosecond laser spectroscopy of blue light-induced absorption in KNbO3 and LiNbO3, in "Defects and surface induced effects in advanced perovskites", Eds. G. Borstel, A. Krumins and D. Millers, NATO Science Series, 3. High Technology, Kluver Akad. Publishers, Dordrecht, Boston, London, Vol. 77, 1999,  pp. 125-138.

 

62.  V. Dierolf, A. B. Kutsenko, C. Sandmann, Th. Tröster, G. Corradi: High-resolution site-selective optical spectroscopy of rare earth and transition metal defects in insulators,

       J. of Luminescence, 87-89, 989-91 (2000)

 

63. T. Becze-Deák, L. Bottyán, G. Corradi, L. Korecz, D.L. Nagy, K. Polgár, S. Sayed and H. Spiering, 57Co Mössbauer emission study of LiNbO3, Fe:LiNbO3 and Mg:LiNbO3 in various thermochemical reduction states,

J. Radioanal. Nucl. Chem. 246, 33-37 (2000).

 

64.  S. Schweizer, G. Corradi, A. Edgar and J.-M. Spaeth: EPR of Eu2+ in BaBr2 crystals and fluorobromozirconate glass ceramics,

J. Phys. Condens. Matter, 13, 2331-38 (2001)

 

65.  G. Corradi, Th. Lingner,  A. B. Kutsenko, V. Dierolf, K. Polgár, J.-M. Spaeth and W. von der Osten: Magneto-optical studies of Er3+ in LiNbO3. (Proc. ICDIM2000, Johannesburg, South-Africa, 3-7 April 2000)

Rad. Eff. Def. Solids 155, 223-227 (2001)

 

66.  R. T. Williams, K. B. Ücer, G. Xiong, H. M. Yochum, L. G. Grigorjeva, D. K. Millers, and. G. Corradi, Self-trapped electron and transient defect absorption in niobate and tungstate crystals. (Proc. ICDIM'2000, Johannesburg, South-Africa, 3-7 April 2000)

Rad. Eff. Def. Solids 155, 265-276 (2001)

 

67.  L. Grigorjeva, V. Pankratov, D. Millers, G. Corradi, K. Polgár, Transient absorption and luminescence of LiNBO3 and KNbO3, (Proc.Aachen)

Integrated Ferroelectrics 35, 1867-79 (2001)

 

68.  L. Grigorjeva, V. Pankratov, D. Millers, G. Corradi, K. Polgár, Relaxation of electronic excitations in LiNBO3 crystals, Proc. of the 5th European Conference on Application of Polar Dielectrics (ECAPD-5), Jurmala, August 27-30, 2000

Ferroelectrics 257, 281-92 (2001)

 

69.  G. Corradi, M. Meyer, L. Kovács and K. Polgár, Gap levels of Ti3+ on Nb or Li sites in LiNbO3:(Mg):Ti single crystals and their effect on charge transfer processes, 

Appl. Phys. B 78, 607-14 (2004)

 

 

70.  G. Corradi, M. Secu, S. Schweizer, and J.-M. Spaeth: Luminescence properties of the X-ray storage phosphor BaBr2:Ce3+,

J. Phys. Condens. Matter 16, 1489-1500 (2004)

 

 

71.  G. Corradi, M. Secu, S. Schweizer, and J.-M. Spaeth: Photoluminescence and photostimulated luminescence in the X-ray storage phosphor BaBr2 doped with cerium,

       Rad. Measurements 38, 511-514 (2004)

 

72. G. Corradi, M. Meyer and K. Polgár: Bipolarons localised by Ti dopants in reduced LiNbO3 crystals double-doped by Ti and Mg,

      phys. stat. sol. (c) 2, 132-5 (2005)

 

73. K. Lengyel, L. Kovács, Á. Péter, G. Corradi and K. Polgár: UV and IR absorption studies in LiNbO3:Mg crystals below and above the photorefractive threshold,

phys. stat. sol. (c) 2, 171-4 (2005)

 

74. J. Selling, S. Schweizer, J.-M. Spaeth, G. Corradi, A. Edgar and G.V.M. Williams: Radiation defects in Ce-doped BaCl2 and fluorochlorozirconate glass-ceramics X-ray storage phospors,

      phys. stat. sol. (c) 2, 592-5 (2005)

 

75. Lengyel K, Kovács L, Péter Á, Polgár K, Corradi G, Baraldi A; Temperature dependence of the OH absorption bands in LiNbO3:Mg crystals at the photorefractive threshold; In: Technical Digest of the International Workshop Lithium Niobate from material to device, from device to system, Metz, France, 23-25 May, 2005; pp. 153-154.

 

76. Corradi G, Meyer M, Polgár K; Spectroscopy of shallow levels in LiNbO3 systems and their role in material properties; In: Technical Digest of the International Workshop Lithium Niobate from material to device, from device to system, Metz, France, 23-25 May, 2005;  pp. 117-118.

 

77. Selling J, Corradi G, Secu M, Schweizer S; Comparison of the luminescence properties of the x-ray storage phosphors BaCl2:Ce3+ and BaBr2:Ce3+;

J. Phys. Condens. Matter, 17, 8069-78 (2005)

 

78. Selling J, Corradi G, Secu M, Schweizer S; Rare earth doped barium halide x-ray storage phosphors and scintillators; Proceedings of the International conference on Inorganic Scintillators and their Industrial Applications, Alushta, Crimea, Ukraine, 19-23 Sept. 2005, Nat. Ac. Sci. Ukraine, Kharkov; 2006, pp. 415-418

 

79. Dachraoui H; Rupp RA; Lengyel K; Ellabban MA; Fally M; Corradi G; Kovács L; Ackermann L; Photochromism of doped terbium gallium garnet;

Phys Rev B 74: 144104/1-11; 2006

 

80. Lengyel K, Kovács L, Péter Á, Polgár K, Corradi G, Bourson P; The effect of Mg doping on the Raman spectra of LiNbO3 crystals;

phys. stat. sol. (c); 4, 847-850 (2007)

 

81. Corradi G, Watterich A, Polgár K, Nagirnyi V, Hofstaetter A, Rakitina LG, Meyer M; EPR of Cu2+ in lithium tetraborate single crystals;

phys. stat. sol. (c); 4, 1276-1279 (2007)

 

82. Nagirnyi V, Kotlov A, Corradi G, Watterich A, Kirm M; Electronic transitions in Li2B4O7:Cu single crystals;

phys. stat. sol. (c); 4, 885-888 (2007)

 

83. Lengyel K, Kovács L, Péter Á, Polgár K, Corradi G; The effect of stoichiometry and Mg doping on the Raman spectra of LiNbO3:Mg crystals;

Appl. Phys. B; 87, 317-322, 2007      

 

84. Corradi G, Nagirnyi V, Kotlov A, Watterich A, Kirm M, Polgár K, Hofstaetter A, Meyer M; Investigation of Cu doped Li2B4O7 single crystals by EPR and time-resolved optical spectroscopy;

J Phys Condens Matter; 20, 025216/1-9; 2008

 

85. Conradi D, Merschjann C, Schoke B, Imlau M, Corradi G, Polgár K; Influence of Mg doping on the behaviour of polaronic light-induced absorption in LiNbO3;

phys stat sol (RRL); 2, 284-286, 2008

 

86. Merschjann C, Schoke B, Conradi D, Imlau M, Corradi G, Polgár K; Absorption cross sections and number densities of electron and hole polarons in congruently melting LiNbO3;                                                         

J Phys Condens Matter; 21, 015906/1-6; 2009

 

87. Schoke  B,  Brüning  H,  Shirmer  OF,  Imlau M,  Corradi G,  Polgár  K,  Naumova  I; Transport  and  recombination  behavior of optically  generated small polarons  with a spatial  density  modulation in LiNbO3; In: Topical  Meeting Photorefactive Materials, Effects and Devices – Control of Light and Matter, Ed: C. Denz and K. Buse, Bad Honnef, Germany; p.108-109, 2009

 

88. Corradi G, Nagirnyi V, Watterich A, Kotlov A, Polgár K;  Different incorporation of Cu+ and Cu2+ in lithium tetraborate single crystals;

      J Phys Conf Series 249: 012008/1-6; 2010

 

89. B. Schoke, M. Imlau, H. Brüning, C. Merschjann, G. Corradi, K. Polgár, I.I. Naumova; Transient light-induced absorption in periodically poled  lithium niobate: small polaron hopping in the presence of a spatially modulated defect concentration

Phys Rev B 81: 132301/1-4; 2010                                                      

     

90. K. Lengyel, L. Kovács, Á. Péter, K. Polgár, G. Corradi, A. Baraldi, R. Capelletti; Thermal kinetics of OH ions in LiNbO3:Mg doped above the photorefractive threshold

Appl Phys Lett 96: 191907; 2010