(Elliptic Curve Method). [2020-04-17]. (原始内容存档于2020-04-26). Royal Society of Chemistry - Visual Element Periodic Table. [2012-11-17]. (原始内容存档于2016-04-10).
Variations", Sarah Ballard et al., arXiv:1109.1561v1 Extrasolar Planets Encyclopaedia, Kepler-19 NASA:克卜勒任務,Table of Confirmed Planets(页面存档备份,存于互联网档案馆)