Fan, X., & Grebel, E. K. (2001). A survey of z > 5.8 quasars in the Sloan Digital Sky Survey: I. Discovery of three new quasars and the spatial density of luminous quasars at z ~ 6. The astronomical journal, 122(6), . https://doi.org/10.1086/324111
Chicago-Zitierstil (17. Ausg.)Fan, Xiaohui, und Eva K. Grebel. "A Survey of Z > 5.8 Quasars in the Sloan Digital Sky Survey: I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at Z ~ 6." The Astronomical Journal 122, no. 6 (2001). https://doi.org/10.1086/324111.
MLA-Zitierstil (9. Ausg.)Fan, Xiaohui, und Eva K. Grebel. "A Survey of Z > 5.8 Quasars in the Sloan Digital Sky Survey: I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at Z ~ 6." The Astronomical Journal, vol. 122, no. 6, 2001, https://doi.org/10.1086/324111.