Talk:Helikon vortex separation process

External links modified
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I have just modified one external link on Helikon vortex separation process. 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 http://webarchive.loc.gov/all/20010927182410/http://cns.miis.edu/research/safrica/chron.htm to http://cns.miis.edu/research/safrica/chron.htm

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Cheers.— InternetArchiveBot  (Report bug) 16:39, 1 November 2017 (UTC)