| 1. | Bianchi L. Jurcsik J. Fekel F.C. The Nature of HD220140 from Optical and IUE Observations AA Issue: 245 No: 0 Year:1991 Page: 604 |
| 2. | Buchler J.R. Moskalik P. Kovacs G. Periodic Stellar Pulsations Stability Analysis and Amplitude Equations ApJ Issue: 380 No: 0 Year:1991 Page: 185 |
| 3. | Grandpierre A. A Convective Model for Solar and Stellar Flares MemSocAstrIt Issue: 62 No: 0 Year:1991 Page: 401 |
| 4. | Hegedus T. The Period Variation and New Ephemeris of CV Cyg BACz Issue: 42 No: 0 Year:1991 Page: 109 |
| 5. | Hempelmann A. Patkos L. Spot Model of a Peculiar Brightening of the RS CVn Variable SV Cam AstronNachr Issue: 312 No: 0 Year:1991 Page: 19 |
| 6. | Hofmann A. Kalman B. Electric Currents and Free Energy in a Flaring Twisted Field Configuration (NOAA 4263) AA Issue: 241 No: 0 Year:1991 Page: 203 |
| 7. | Illes-Almar E. Remarks to Prof. Bartha's presentation Symmetry and Topology in Evolution KFKI Preprint Issue: 32 No: 0 Year:1991 Page: 251 |
| 8. | Kalman B. Vector Magnetic Field Measurements and Penumbral Structure SolPhys Issue: 135 No: 0 Year:1991 Page: 299 |
| 9. | Kovacs G. Buchler J.R. Marom A. RR Lyrae Pulsations Revisited AALett Issue: 252 No: 0 Year:1991 Page: 27 |
| 10. | Olah K. Hall D.S. Henry G.W. Longterm Behaviour of Starspots III. Active Longitudes on the Long-period RS CVn Star HK Lacertae AA Issue: 251 No: 0 Year:1991 Page: 531 |
| 11. | Olah K. Pettersen B.R. Longterm Behaviour of Starspots I. Polar Starspots, Rotational Modulation and Flare Activity of V833 Tau AA Issue: 242 No: 0 Year:1991 Page: 443 |
| 12. | Ostermann W.M. Breger M. Garrido R. Martin B. Multisite Campaign of the Delta Scuti Star HR 729 AA Issue: 245 No: 0 Year:1991 Page: 543 |
| 13. | Paal Gy. Topology of the Universe Symmetry and Topology in Evolution KFKI Preprint Issue: 32 No: 0 Year:1991 Page: 5 |
| 14. | Pettersen B.R. Olah K. Sandmann W.H. Longterm Behaviour of BY Dra and EV Lac The Sun and Cool Stars - Activity, Magnetism Dynam Lecture Notes in Phys. Issue: 380 No: 0 Year:1991 Page: 378 |
| 15. | Schmieder B. van Driel-Gesztelyi Henoux J.C. Simnett G. Conditions for Flare and Filament Formation in Interacting Solar Active Regions AA Issue: 244 No: 0 Year:1991 Page: 533 |
| 16. | Szabados L. Northern Cepheids Period Update and Duplicity Effects BpMitteilungen Issue: 11 No: 96 Year:1991 Page: 125 |
| 17. | Zsoldos E. Misclassified RV Tauri Stars IBVS Issue: 0 No: 3557 Year:1991 Page: 1 |
| 18. | Zsoldos E. Photometry of Yellow Semiregular Variables: SS Gem ApSpSc Issue: 181 No: 0 Year:1991 Page: 203 |
| 19. | Zsoldos E. Kollath Z. Photometry of Yellow Semiregular Variables: TW Cam ApSpSc Issue: 181 No: 0 Year:1991 Page: 251 |
| 20. | Zsoldos E. Percy J.R. Photometry of Yellow Semiregular Variables: Rho Cassiopeiae AA Issue: 246 No: 0 Year:1991 Page: 441 |
| 21. | van Driel-Gesztelyi Schmieder B. Henoux J.C. Simnett G. Flare Activity and Filament Formations in Two Related Sunspot Groups Dynamics of Solar Flares Issue: 0 No: 0 Year:1991 Page: 27 |