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Daibog E. I., Kecskemety K., Logachev Yu. I. Fluxes of Jovian Electrons and Galactic Protons in the Minimum of 23-24 Cycles of Solar Activity

Dechev M. Ts., Koleva K., Duchlev P., Miteva R. Double Filament Eruption and Associated Ribbon Flare and Halo Coronal Mass Ejection

V.N. Ishkov Evolutionary and Flare Characteristics of Prolonged Phases of Solar Minimum

Kilcik A., Ozguc A., Yesilyaprak H., Pektas R. Comparison of FI and the MCMESI for the Last two Solar Cycles

Kilcik A., Sarp V. Possible Interactions between Some Solar Activity Indicators for the Last two Cycles

Krastev K., Semkova J., Koleva R., Bankov N., Benghin V., Drobishev S. The Shading Effect for Doses and Galactic Cosmic Rays Fluxes Measured by Liulin Instrument, Depending on Liulin - Mars Geometry

Sarp V., Kilcik A. Investigation of Sunspot Area Dynamics in Different Categories

Shevchuk M., Melnik V., Dorovskyy V., Brazhenko A., Frantsuzenko A., Konovalenko A., Poedts S., Magdalenic J. On Polarization of Solar Decameter Spikes

Stanislavsky A.A., Burnecki K., Janczura J., Niczyj K., Weron A. Solar X-ray Variability in two Distinct States and Its Real-Time Analysis Based on a Fractionally Time-Series Model With a Heteroskedastic Component

Filip Šterc, Darije Maričić, Dragan Roša Morphology of Coronal Hole Based on SDO/AIA Data in May 2010 ÷ December 2013

Tsvetkov Ts., Petrov, N., Miteva, R., Ivanov, E., Popov, V. Research on Active Solar Processes During 2019 July 2 Total Solar Eclipse

Krasimira Yankova RS Ophiuchi and ADVECTION

Zagainova Iu.S., Fainshtein V.G., Rudenko G.V.  Comparing the Height Dependences of the Magnetic Field Overlying the Initial Areas of Fast and Slow Coronal Mass Ejections

Bojilova R., Mukhtarov P. Global and Regional Response of the Total Electron Content to Geomagnetic Storms Occurred in January 2005

Dachev T., Tomov B., Matviichuk Y., Dimitrov P., Semkova J., Koleva, R., Jordanova M., Bankov N., Shurshakov V., Benghin V. Long-Term Variations of the Galactic Cosmic Rays Dose Rates 

Derevyagin V. G., Kravetz R. O., Lytvynenko O. A., Panishko S. K. Regular Observations of the Power Cosmic Radio Sources on the Radio Telescope URAN-4. Processing Method, Results Keeping System and their Applying in Ionosphere Investigations

Despirak I.V., Lubchich A.A., Kleimenova N.G. Supersubstorms, High-Latitude Substorms and Space Weather Conditions

Gromova L.I., Kleimenova N.G., Gromov S.V., Malysheva L.M.  Dayside Polar Magnetic Bays under Different Interplanetary Magnetic Field Direction

Ishkova L.M., Ruzhin Yu.Ya., Bershadskaya I.N. Anomalous TEC Disturbances of the South American Ionosphere before and after theMainShocks of Some Powerful Chilean Earthquakes

Kleimenova N.G., Gromova L.I., Gromov S.V., Malysheva L.M. Strong Magnetic Storm on 25-26 August 2018 with Reference to the Solar Cycle 24 Declining

Manninen J., Kleimenova N.G., Gromova L.I., Turunen T.  Auroral VLF Hiss as a Signature of the Growth Phase of the Magnetic Substorm

Nikitenko A.S., Lebed O.M., Fedorenko Yu.V., Manninen J., Kleimenova N.G., Gromova L.I., Turunen T. Ground-Based Auroral Hiss: Wave Direction Finding

Shagimuratov I.I., Chernouss S.A., Despirak I.V., Tepenitsyna N.Yu., Filatov M.V., Efishov I.I., Yakimova G.A. TEC Response to the Solar Flare on 6 September 2017

Shagimuratov I.I., Chernouss S.A., Despirak I.V., Filatov M.V., Efishov I.I., Tepenitsyna N.Yu., Yakimova G.A. Occurrence of the TEC Fluctuations and the GPS Positioning Errors over Europe During Geomagnetic Disturbances on November 20187

Dashkevich  Zh.V., Ivanov V.E. The Nitric Oxide Density in the Polar Region from Ground-Based Photometer Data

Dashkevich  Zh.V., Ivanov V.E. The Efficiencies of O(¹S) and O(¹D) Excitation Mechanisms inAurora

Kupryakov Yu.A., Dodin A.V., Schwartz P., Kashapova L.K. The Calculation of the Intensity of The Mg I Spectral Lines in Solar Prominences Using the Cloudy code Model

Sarp V., Kilcik A. StateSpace Reconstruction for Sunspot Area Time Series

Werner R., Petkov B., Valev D., Guinevav V., Atanassov A., Kirillov A. Scheme to Forecast the Local UV-index overBulgaria

Ya. Chapanov ENSO Variations Driven by Solar Cycles, Expressed by N-S Solar Asymmetry  

Ya. Chapanov Water Transport and Earth Rotation Variations Due to Solar Cycles

Tonev P.T.   Observations supporting hypothesis for global electrical circuit as mediator between solar events and weather 

Dachev T., Dimitrov P., Tomov B., Matviichuk Y., Saganti P., Holland D., Okuyama K.-I., Fajardo I. Analysis of the First Space Radiation Data, Obtained by
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Bogomolov A.V., Myagkova I.N., Miteva R., Danov D., Kashapova L.K.  Parameters of Thermal and Non-thermal X-ray and Gamma Ray Emission of Solar Flares, Observed onboard CORONAS-F

Kashapova L.K.,Meshalkina N.S., Miteva R., Zhukova A.V., Myagkova I.N.   Study on the Features of the SEP Solar Origin Based on Microwave Observations

Miteva R., Samwel S.W. Radio Signatures of in Situ Observed ACE/EPAM Electron Fluxes

Miteva R., Samwel S. W., Veronig A., Koleva K., Dechev M., Dissauer K., Temmer M., Kozarev K., Zabunov S. EVE Flare Diagnostics of in situ Observed Electron Events

Myagkova I.N., Miteva R., Kashapova L., Bogomolov A.V., Danov D.  Features of Solar Energetic Particle Events During the 23rd Cycle of Solar Activity and their Relationship with Solar X-ray, Gamma‑Emission and Coronal Mass Ejections

Tsvetkov Ts., Miteva, R., Temmer, M., Petrov, N. STEREOCat Speed de-projection of SEP-Related CMEs

Zhdanov D.A., Kashapova L.K., Myshyakov I.I., Miteva R. About Productivity of the Solar Energetic Particle Events