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You are free to download all contents available on this website. Because we do not own all the contents provided here, this does not imply however, that all contents are free of all copyright. Further usages and rights are reserved by the licenses attached individually to each content.
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Public domain. This label indicates that a work is in the public domain and can be used freely.
No rights reserved. The author has waived all copyrights, the content can be used freely.
Attribution. This license lets you distribute and modify a content if you credit the original author.
ShareAlike. You can distribute and modify a content if you credit the author and license your new creation under the same terms
NonCommercial. This license lets you modify a content, but new content must acknowledge the author and be strictly non-commercial.
NoDerivs. This license allows for redistribution, commercial and non-commercial, as long as it is passed along unchanged and in whole.
Some rights reserved. You are only allowed to download the content for your personal use. Further permissions might be specified on the content.
All rights reserved. You are only allowed to download the content for your personal use when it is available on the website.