von Bloh، W.؛ وآخرون (2008). "Habitability of Super-Earths: Gliese 581c & 581d". Proceedings of the International Astronomical Union. ج. 3 ع. S249: 503–506. arXiv:0712.3219. DOI:10.1017/S1743921308017031.
von Bloh، W.؛ وآخرون (2008). "Habitability of Super-Earths: Gliese 581c & 581d". Proceedings of the International Astronomical Union. ج. 3 ع. S249: 503–506. arXiv:0712.3219. DOI:10.1017/S1743921308017031.