Temporal and Periodic Variation of the MCMESI for the Last Two Solar Cycles; Comparison with the Number of Different Class X-ray Solar Flares von Kilcik, Ali, Chowdhury, Partha, Sarp, Volkan, Yurchyshyn, Vasyl, Donmez, Burcin, Rozelot, Jean-Pierre, Ozguc, Atila

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Physical Characteristics of Umbral Dots Derived from a High-Resolution Observations von Kilcik, Ali, Sarp, Volkan, Yurchyshyn, Vasyl, Rozelot, Jean-Pierre, Ozguc, Atila

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The variability of foF2 in different phases of solar cycle 23 von Atac, T, Ozguc, A, Pektas, R

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Signature of a possible relationship between the maximum CME speed index and the critical frequencies of the F1 and F2 ionospheric layers: Data analysis for a mid-latitude ionosphe... von Kilcik, Ali, Ozguc, Atila, Yiğit, Erdal, Yurchyshyn, Vasyl, Donmez, Burcin

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Overview of the Solar Activity During Solar Cycle 23 von Atac, Tamer, Oezguec, Atila

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Temporal variability of the flare index (1966-2001) von Oezguec, A, Atac, T, Rybak, J

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North-South asymmetry in the solar flare index von Ata, Tamer, zg, Atila

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Flare Index of Solar Cycle 22 von Atac, Tamer, Oezguec, Atila

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INTERMEDIATE-TERM PERIODICITIES IN THE GREEN CORONA BRIGHTNESS OF THE SUN von OZGUC, A

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Solar rotation rate from stable sunspot tracings von OZGUC, A, SAGLAMSAATCI, M

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Distribution of LDE flares on the sun during solar cycles 20 and 21 von OZGUC, A, DUZGELEN, A

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Kinematics of a twisted surge von OZGUC, A, DUZGELEN, A

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Periodic behavior of solar flare index during solar cycles 20 and 21 von OZGUC, A, ATAC, T

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On the longitudinal distribution of the solar surges von OZGUC, A

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