共 50 条
- [2] 53 MULTICOLOR SELECTED QUASARS WITH REDSHIFTS GREATER THAN 3 EPOCH OF GALAXY FORMATION, 1989, 264 : 135 - 139
- [4] Elemental abundances in the broad emission line region of quasars at redshifts larger than 4 Dietrich, M. (dietrich@chara.gsu.edu), 1600, EDP Sciences (398):