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On delivery of the paper the Author(s) grant(s) the publisher of the journal “Drewno” a non-exclusive and free license, inclusive of the right to grant sub-licenses, to exploit the article worldwide for an indefinite time on the following fields of exploitation:
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The Author(s) agree(s) to publication of their paper in an electronic form at the journal's webpage under the Creative Commons Attribution 4.0 International License (also known as CC-BY), available at https://creativecommons.org/licenses/by/4.0/. This permits anyone to copy, redistribute, remix, transmit and adapt the work provided the original work and source is appropriately cited.