Bruce D.; Fortney, Jonathan; Geary, John C.; Holman, Matthew J.; Huber, Daniel; Jenkins, Jon M.; et al. Kepler-47: A Transiting Circumbinary Multi-Planet
PMID 22722196. S2CID 4427321. doi:10.1038/nature11121. SIMBAD, "Kepler-19" (页面存档备份,存于互联网档案馆) "The Kepler-19 System: A Transiting 2.2 R_Earth Planet and a Second