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Authors who publish with this journal agree to the following terms:

1. Authors reserve the right of attribution for the submitted manuscript, while transferring to the Journal the right to publish the paper under the Creative Commons Attribution License. This license allows free distribution of the published work under the condition of proper attribution of the original authors and the initial publication source (i.e. the Journal)
2. Authors have the right to enter into separate agreements for additional non-exclusive distribution of the work in the form it was published in the Journal (such as publishing the paper on the institutional website or as a part of a monograph), provided the original publication in this Journal is properly referenced
3. The Journal allows and encourages online publication of the manuscripts (such as on personal web pages), even when such a manuscript is still under editorial consideration, since it allows for a productive scientific discussion and better citation dynamics (see The Effect of Open Access).

The authors of the papers published before December 2018 granted the RPE the right of the first publication and retain the copyright as the owners of the manuscript.