I have published this image as author under the Creative-Commons-Licence CC BY-SA 4.0.. This means that free online usage outside of Wikimedia projects under the following terms of licence is possible:

• The image is credited with "© Raimond Spekking / CC BY-SA 4.0 (via Wikimedia Commons)"

For all other kind of usages (books, journales, flyers, etc.) click on the following button. You will get all information needed.

I would be happy to receive a specimen copy or the URL of the website where the image is used.

Please write an email to [email protected] (GPG encrypted emails are welcome: Key-ID: 0xB12BE7A6), if you

• need the image in a higher resolution
• need my postal address for sending a specimen copy
• have further questions to the terms of licence