Özgüç, A., “78 Day Periodicity in the Solar 1-8-A X-Ray Index During the Ascending Branch of Cycle 21”, Astrophysics and Space Science, 162, 1, 123-127, 1989. Dil Türkçe
Dizer, M., Özgüç, A., “Spectral Studies of the Time Series of the Geomagnetic Activities”, Earth Moon and Planets, 43, 3, 211-220, 1988. Dil Türkçe
Özgüç, A., Düzgelen, A., “Kinematics of a Twisted Surge”, Astrophysics and Space Science, 150, 2, 383-386, 1988. Dil Türkçe
Koçer, D., Bolçal, Ç., Sağlamsaatçi, M., Düzgelen, A., “A Spectroscopic Analysis of the am star hd-73730”, Astrophysics and Space Science, 149, 2, 273-286, 1988. Dil Türkçe
Velioğlu, S.G., Curi, K., Kerestecioğlu, M., “A New Package Treatment Unit”, Water Research, 22, 1, 1-13, 1988. Dil Türkçe
Ataç, T., “Time Variation of the Flare Index During the 21st Solar Cycle”, Astrophysics and Space Science, 135, 1, 201-205, 1987. Dil Türkçe
Evans, R., Beamish, D., Crampin, S., Üçer, S.B., “The Turkish Dilatancy Project (TDP3) Multidisciplinary Studies of a Potential Earthquake Source Region”, Geophysical Journal of the Royal Astronomical Society, 91, 2, 265-286, 1987. Dil Türkçe
Adelman, S.J., Bolçal, C., Koçer, D., İnelmen, E., “The Metal Weak A0-III Star Alpha Draconis”, Publications of the Astronomical Society of the Pacific, 99, 612, 130-137, 1987. Dil Türkçe
Üçışık, A.H., “The Effect of Frequency on the Cumulative Damage of Aluminum”, Scripta Metallurgica, 21, 6, 759-763, 1987. Dil Türkçe
Ataç, T., “Statistical Relationship Between Sunspots and Major Flares”, Astrophysics and Space Science, 129, 1, 203-208, 1987. Dil Türkçe
