Deutsch: Die hier gezeigte Darstellung ist zwar gemeinfrei, die weitergehende, insbesondere kommerzielle Verwendung muss jedoch die Schutzrechte des Inhabers beachten.
English: The illustration shown here is indeed in the public domain, which further, in particular commercial use, however, the rights of the holder must comply with.
Public domainPublic domainfalsefalse
This work has been released into the public domain by its author, Ulrich Birkhoff at German Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Ulrich Birkhoff grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse
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