User talk:47.154.26.59

Please do not add or change content, as you did at Andrea Bertozzi, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Melcous (talk) 03:50, 10 July 2020 (UTC)

Please stop your disruptive editing. If you continue to add unsourced or poorly sourced content, you may be blocked from editing. Melcous (talk) 03:57, 10 July 2020 (UTC)