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All contributions are available in Open Access in the ZRex archive.

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All contributions of ZRex are archived for the long term at Portico, SSOAR and the German National Library.

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ZRex is published in Open Access under the Creative Commons Attribution 4.0 International (CC BY 4.0) license. You may freely use the published articles under the conditions of the mentioned license. Authors are not charged any costs for publication (so-called article processing charges) or submission (so-called submission charges).