sırma, m. And BİLİR, S. 1996. The sunspot observations made in 1994. The Journal of Astronomy and Astrophysics , vol.61 .

sırma, m., & BİLİR, S., (1996). The sunspot observations made in 1994. The Journal of Astronomy and Astrophysics , vol.61.

sırma, melahat, And Selçuk BİLİR. "The sunspot observations made in 1994," The Journal of Astronomy and Astrophysics , vol.61, 1996

sırma, melahat And BİLİR, Selçuk. "The sunspot observations made in 1994." The Journal of Astronomy and Astrophysics , vol.61, 1996

sırma, m. And BİLİR, S. (1996) . "The sunspot observations made in 1994." The Journal of Astronomy and Astrophysics , vol.61.

@article{article, author={melahat sırma And author={Selçuk BİLİR}, title={The sunspot observations made in 1994}, journal={The Journal of Astronomy and Astrophysics}, year=1996}