Talk:Chang–Refsdal lens

External links modified
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I have just modified 1 one external link on Chang–Refsdal lens. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20070311013315/http://www.citebase.org:80/abstract?id=oai:arXiv.org:astro-ph/0601457 to http://www.citebase.org/abstract?id=oai:arXiv.org:astro-ph/0601457

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Cheers.— InternetArchiveBot  (Report bug) 12:58, 19 November 2016 (UTC)