User talk:84.120.65.239

December 2018
Please do not add or change content, as you did at Federico Bessone, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. GiantSnowman 08:51, 24 December 2018 (UTC)

January 2019
Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Sergio Moreno Martínez have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help Desk. Materialscientist (talk) 04:55, 7 January 2019 (UTC)
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