Tuomi, Anglada-Escude, Gerlach, Jones, Reiners, Rivera, Vogt, Butler, Mikko, Guillem, Enrico, Hugh R. R., Ansgar, Eugenio J., Steven S., R. Paul. Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307. 2012. arXiv:1211.1617v1 [astro-ph].引文使用过时参数version (帮助); cite arXiv模板填写了不支持的参数 (帮助)