This image was published by Elena Ternovaja under the Lizenz CC BY-SA, which also allows the usage outside of Wikipedia under the following conditions:
You need to mark the image with the names of the author and licence as well as the conform weblinks – like in the example on the left. Print publications additionaly need to reproduce legalcode or its URL (https://creativecommons.org/licenses/by-sa/3.0/).
If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
Please send me a specimen copy or the URL of the website where the image is used.
