Talk:Ralf Mackenbach

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http://www.junioreurovision.tv/event/artistdetail?song=24813&event=1483 Would this count as a reliable source? It seems to confirm the info on the page. It is from the official junior Eurovision website 24.240.186.38 (talk) 00:39, 24 February 2010 (UTC)

Ralf Mackenbach defended his PhD thesis
https://www.tue.nl/en/news-and-events/news-overview/29-11-2023-nuclear-fusion-with-a-twist Palapa (talk) 19:23, 29 November 2023 (UTC)