Thực đơn
3C_285 Tham khảoThực đơn
3C_285 Tham khảoLiên quan
3C 285 3C 288Tài liệu tham khảo
WikiPedia: 3C_285 http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsear... http://simbad.u-strasbg.fr/simbad/sim-id?Ident=3C+... http://www.wikisky.org/?ra=13.354948055556&de=42.5... http://www.jb.man.ac.uk/atlas/object/3C285.html