I, Oliver T. Hellriegel, have published this media under the terms of the license CC BY-SA 4.0 which allows you to:
Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material for any purpose, even commercially.
Under the following condition:
Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so by adding "Oliver T. Hellriegel, Wikimedia Commons, License CC-BY-SA 4.0" visible next to the image.
ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
Let me know if you use this work outside Wikimedia Commons sending me a message via Wikimedia oth11 or to frears (at) mac.com with reference to the URL (website) or ISBN (book/ e-book).
I would be very happy, if you could consider sending me a copy of the publication the work has been used in.
If you
want to use this work under other conditions than above mentioned,
get the RAW image,
or want me to rework this file to your needs
please, do not hesitate to contact me.
I, the copyright holder of this work, hereby publish it under the following license:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, 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 endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.