Tài liệu tham khảo

WikiPedia: Epsilon Arietis http://adsabs.harvard.edu/abs/1963AJ.....68..697E http://adsabs.harvard.edu/abs/2002A&A...393..897R http://adsabs.harvard.edu/abs/2006AstL...32..759G http://adsabs.harvard.edu/abs/2007A&A...474..653V http://adsabs.harvard.edu/abs/2007MNRAS.374..965S http://adsabs.harvard.edu/abs/2009A&A...498..961R http://penelope.uchicago.edu/Thayer/E/Gazetteer/To... http://aladin.u-strasbg.fr/AladinPreview?-c=SV*+ZI... http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... http://simbad.u-strasbg.fr/simbad/sim-id?Ident=eps...