Authors submitting their manuscripts to Wroclaw University Press journals are obliged to use a unique ORCID number (Open Researcher and Contributor ID). It is a popular digital tool allowing for the identification of the author and their research work in scientific communication. You can register for an ORCID number for free at: https://orcid.org/.
Original version of the journal
From 1 January 2017 online edition is the original version of all published articles.