1. * The first close-up of the “flip-flop” phenomenon in a single star / H. Korhonen, S. V. Berdyugina, K. G. Strassmeier. O. Tuominen // Astron. and Astrophys.- 2001.- Vol. 379.- P. L30 - L33.

2. * Study of FK Comae Berenices. III. Photometry for the years 1993-2001 / H. Korhonen, S. V. Berdyugina, M. I. Andersen et al. // Astron. and Astrophys.- 2001.- Vol. 374, No. 3.- P. 1049 – 1055.

3. * Zeeman-split opposite-polarity OH lines in sunspot spectra: Resolution of a puzzle/ S. V. Berdyugina, S. K. Solanki // Astron. and Astrophys.- 2001.- Vol. 380.- P. L5 - L8.

4. * The long-period RS CVn binary IM Pegasi – II. First surface images / S. V. Berdyugina, A. V. Berdyugin, I. Ilyin, I. Tuominen// Astron. and Astrophys.- 2000.- Vol. 360.- P. 272 - 280.

5. * Successful spectral synthesis of Zeeman-split molecular bands in sunspot spectra / S. V. Berdyugin, C. Frutiger, S. K. Solanski, W. Livingstone // Astron. and Astrophys.- 2000.- Vol. 364.- P. L101 - L104.

6. * The active RS Canum Venaticorum binary II Pegasi. III. Chromospheric emission and flares in 1994-1996 / S. V. Berdyugina, I. Ilyin, I. Tuominen // Astron. and Astrophys.- 1999.- Vol. 349.- P. 863 – 872.

7. * The active RS Canum Venaticorum binary II Pegasi. IV. The spot activity cycle / S. V. Berdyugina, A. V. Berdyugin, I. Ilyin, I. Tuominen // Astron. and Astrophys.- 1999.- Vol. 350.- P. 626 – 634.

8. * The long-period RS Canum Venaticorum binary IM Pegasi. I. Orbital and stellar parameters / S. V. Berdyugina, I. Ilyin, I. Tuominen // Astron. and Astrophys.- 1999.- Vol. 347.- P. 932 – 936.

9. * Study of FK Comae Berenices. I. Surface images for 1994 and 1995 / H. Korhonen, S. V. Berdyugina, T. Hackman et al. // Astron. and Astrophys.- 1999.- Vol. 346, No. 1.- P. 101 – 110.

10. * The active RS Canum Venaticorum binary II Pegasi. I. Stellar and orbital parameters / S. V. Berdyugina, S. Jankov, I. Ilyin et al. // Astron. and Astrophys.- 1998.- Vol. 334, No. 3.- P. 863 – 872.

11. * The active RS Canum Venaticorum binary II Pegasi. II. Surface images for 1992 – 1996 / S. V. Berdyugina, A. V. Berdyugin, I. Ilyin, I. Tuominen // Astron. and Astrophys.- 1998.- Vol. 340, No. 2.- P. 437 – 446.

12. * The massive interacting binary KX And: The orbit and physical parameters of the secondary component / A. E. Tarasov, S. V. Berdyugina, A. V. Berdyugin // Astronomy Letters.- 1998.- Vol. 24, No. 3.- P. 316 – 320 = Массивная взаимодействующая двойная КХ And. Орбита и физические параметры вторичного компонента / А. Е. Тарасов, С. В. Бердюгина, А. В. Бердюгин // Письма в Астрон. журн.- 1998.- Т. 24, № 5.- С. 375 – 380.

13. * New photometric and polarimetric observations of the massive interacting binary KX And / A. V. Berdyugin, S. V. Berdyugina, A. E. Tarasov // Astronomy Letters.- 1998.- Vol. 24, No. 5.- P. 309 – 315 = Результаты новых фотометрических и поляриметрических наблюдений массивной взаимодействующей двойной КХ And / А. В. Бердюгин, С. В. Бердюгина, А. Е. Тарасов // Письма в Астрон. журн.- 1998.- Т. 24, № 5.- С. 367 – 374.

14. * Permanent archive longitudes and activity cycles on RS Cvn stars / S. V. Berdyugina, I. Tuominen // Astron. and Astrophys.- 1998.- Vol. 336, No. 2.- P. L25 – L28.

15. * Surface imaging by the Occamian approach. Basic principles, simulations, and tests / S. V. Berdyugina // Astron. and Astrophys.- 1998.- Vol. 338.- P. 97 – 105.

16. * Modeling the observed chemical anomalies in metallic-line stars: Effects of spottedness / I. S. Savanov, S. V. Berdyugina // Astronomy Reports.- 1996.- Vol. 40, No. 5.- P. 690 – 692. = Моделирование наблюдаемых аномалий химического состава металлических звезд: влияние фактора пятнистости / И. С. Саванов, С. В. Бердюгина // Астрон. журн.- 1996.- Т. 73, № 5.- С. 758 – 761.

17. * Shoemaker-Levy 9 Impact with Jupiter: Spectral Peculiarities of the Impact Sites H, K, L, and D+G+S+R Group / P. P. Korsun, Yu. V. Sizonenko, S. G. Sergeev, S. V. Berdyugina // Earth, Moon, and Planets.- 1995.- Vol. 69, No. 1.- P. 87 – 93.

18. IM Peg: first surface images (CD-Rom directory: contribs/ berdyu20 / S. V. Berdyugina, A. V. Berdyugin, I. Ilyin, I. Tuominen // Cool Stars, Stellar Systems and the Sun, 11th Cambridge Workshop: Proceed. / Ed. by R. J. Garcia Lopez et al.- San Francisco, 2001.- P. 1201.- (ASP Conf. Ser.; Vol. 223).

19. LQ Hya: Surface Images for 1993-1999 (CD-ROM Directory: contribs/berdyu3) / S. V. Berdyugina, I. Ilyin, I. Tuominene // Cool Stars, Stellar Systems and the Sun, 11th Cambridge Workshop: Proceed. / Ed. by R. J. Garcia Lopez et al.- San Francisco, 2001.- P. 1285.- (ASP Conf. Ser.; Vol. 223).

20. Magnetic Activity in FK Com / H. Korhonen, S. V. Berdyugina, I. Tuominen // Magnetic Fields Across the Hertzsprung-Russell Diagram.- San Francisco, 2001.- P. 239.- (ASP Conf. Proceed.; Vol. 248).