Sadova, V., & Tugay, A. (2015). The luminosity - spectral index dependence of the X-ray bright Seyfert galaxies. Advances in Astronomy and Space Physics.
Chicago Style (17th ed.) CitationSadova, V.A, and A.V Tugay. "The Luminosity - Spectral Index Dependence of the X-ray Bright Seyfert Galaxies." Advances in Astronomy and Space Physics 2015.
MLA (8th ed.) CitationSadova, V.A, and A.V Tugay. "The Luminosity - Spectral Index Dependence of the X-ray Bright Seyfert Galaxies." Advances in Astronomy and Space Physics, 2015.
Warning: These citations may not always be 100% accurate.