Fırat, C. Et Al. Variation of Cosmic Ray Intensity during the Solar Eclipse August 11, 1999. 2000. In The Last Total Solar Eclipse of the Millennium , Asp Conference Barron's Educational Series, Inc., Kaliforniya, 202-207.

Fırat, C., Kandemir, G., Güçlü, M. C., Geçkinli, M., Boydağ, S., Özgüç, A., ... Yaşar, T.(2000). Variation of Cosmic Ray Intensity during the Solar Eclipse August 11, 1999. The Last Total Solar Eclipse of the Millennium (pp.202-207), Kaliforniya: Asp Conference Barron's Educational Series, Inc..

Fırat, Coşkun Et Al. "Variation of Cosmic Ray Intensity during the Solar Eclipse August 11, 1999." In The Last Total Solar Eclipse of the Millennium , 202-207. Kaliforniya: Asp Conference Barron's Educational Series, Inc., 2000

Fırat, Coşkun Et Al. "Variation of Cosmic Ray Intensity during the Solar Eclipse August 11, 1999." The Last Total Solar Eclipse of the Millennium , Asp Conference Barron's Educational Series, Inc., 2000, pp.202-207.

Fırat, C. Et Al. (2000) "Variation of Cosmic Ray Intensity during the Solar Eclipse August 11, 1999", The Last Total Solar Eclipse of the Millennium . Kaliforniya: Asp Conference Barron's Educational Series, Inc..

@bookchapter{bookchapter, author ={Coşkun Fırat Et Al. }, chaptertitle={Variation of Cosmic Ray Intensity during the Solar Eclipse August 11, 1999}, booktitle={ The Last Total Solar Eclipse of the Millennium}, publisher={Asp Conference Barron's Educational Series, Inc.}, city={Kaliforniya},year={2000} }