• Publications of Lajos Győri
    1. GYÔRI,L. 1985, Imaging properties of a photoheliograph with a Lyot-plane shutter Sol. Phys. 99, 365-369.
    2. GYÔRI,L. 1989, On the determination of the north direction of the Sun's image Sol. Phys. 120, 421-430.
    3. GYÔRI,L. 1990, Derivations of the parameters necessary to determine the north direction of a heliogram Publ. Debrecen Obs. 7, 60-61.
    4. GYÔRI,L., GERLEI,O., CSEPURA,G. 1992, On the experimental determination of north direction of a heliogram Sol. Phys. 140, 199-202.
    5. Schmieder,B., Demoulin, P., Hagyard,M., Machado, M.E., Ai, G., Yhang,H., Fu,Q., Li,Y., Luan,T., KÁLMÁN,B., GYÔRI,L. 1993, Relationship between magnetic field evolution and flaring sites in AR 6659 in June 1991 Adv. Space Res. 13(9), 123-126.
    6. Bumba,V., Klvana,M., KÁLMÁN,B., GYÔRI,L. 1993, Evolution, activity, magnetic fields, line-of-sight and proper motions in the solar active region NOAA 6659 (June 3-16, 1991) Astron. Astrophys. 276, 193-210.
    7. GYÔRI,L. 1993, Determination of atmospheric refraction from the distortion of the Sun's disc Astron. Astrophys. 278, 659-664.
    8. Bumba,V., Klvana,M., KÁLMÁN,B., GYÔRI,L. 1993, Line-of-sight and proper motions in the flaring June 1991 (NOAA 6659) active region, ASP Conference Series 46, 373-376.
    9. Schmieder,B., Hagyard,M.J., Ai,G., Yhang,H., KÁLMÁN,B., GYÔRI,L., Rompolt,B., Demoulin,P., Machado,M.E. 1994, Relationship between magnetic field evolution and flaring sites in AR 6659 in June 1991 Sol. Phys. 150, 199-219.
    10. CSEPURA,G., GYÔRI,L. 1995, Connection between sunspot proper motion and flare frequency Publ. Obs. Astron. Belgrade 49, 115-119.
    11. CSEPURA,G., GYÔRI,L., GERLEI,O. 1995, Sunspot proper motion in two nearby active regions Publ. Obs. Astron. Belgrade 49, 121-125.
    12. CSEPURA,G., GYÔRI,L., Galal,A.A. 1995, Sunspot proper motion and flare frequency in: Flares and Flashes (Proc. of IAU Coll. No. 151) eds: J. Greiner, H.W. Duerbeck, R.E. Gershberg, Lecture Notes in Physics, Springer Berlin Heidelberg, 45-46.
    13. GYÔRI,L., BARANYI,T., CSEPURA,G., GERLEI,O. LUDMÁNY,A. 1996, Debrecen Photoheliographic Data for the year 1986 Publ. Debrecen Obs. Heliogr. Ser. 10, 1-61.
    14. GYÔRI,L., BARANYI,T., CSEPURA,G., GERLEI,O., LUDMÁNY,A. 1998, Debrecen Photoheliographic Data for the year 1987 Publ. Debrecen Obs. Heliogr. Ser. 11, 1-45.
    15. GYÔRI,L. 1998, Automation of area measurement of sunspots Solar Phys. 180, 109-130.
    16. GYÔRI,L., BARANYI,T., CSEPURA,G., GERLEI,O., LUDMÁNY,A. 1998, Debrecen Photoheliographic Data for 1986; with image supplements Journal of Astronomical Data 4, 2 (ftp: fenyi.solarobs.epss.hu/pub/DPD/DPD1986.dat)
    17. BARANYI,T., LUDMÁNY,A., GYÔRI,L., Coffey,H.E. Comparison of three sunspot area databases  ESA-SP 448, (9th European Meeting on Solar Physics, Florence, Italy, 1999) 569-573
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