Файл:Lisa Mayer (GER) 2016.jpgcom/people/115827683@N07 Flickr user ID: 115827683@N07 publication date: 25 July 2016 described at URL: https://www.flickr.com/photos/filipbossuyt/28434943232/
Файл:Lisa Mayer.jpgCreative Commons Attribution 2.0 truetrue 24 December 2017 English German Lisa Mayer Flickr user ID: 115827683@N07 URL: https://www.flickr.com/people/115827683@N07
Файл:Lisa Schmidla (GER) 2016.JPGcredit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor
Файл:Ruder-EM 2016 43.JPGcredit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor