User talk:MartianDuk

November 2015
Hello, I'm GiantSnowman. I noticed that you made a change to an article, Gerhard Poschner, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. GiantSnowman 18:46, 10 November 2015 (UTC)
 * Hi there, I've fixed the reference on Gerhard Poschner for you. GiantSnowman 19:29, 10 November 2015 (UTC)

June 2016
Please do not add or change content, as you did at Lukas Rupp, 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 17:31, 29 June 2016 (UTC)