English: This is a page scan of The Battle for Open (page 157) by Martin Weller; this image was created by Sandra Peter and Markus Diemann. The book was published in 2014 under a Creative Commons Attribution (CC BY 3.0) 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.
https://creativecommons.org/licenses/by/3.0CC BY 3.0 Creative Commons Attribution 3.0 truetrue
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