相关费用：选择性费用︾Open Access
Green Open Access (open archiving): authors are permitted to deposit digital copies of the accepted versions of their manuscripts or postprints (namely the versions of the manuscript after peer review but without editorial typesetting) in institutional and subject repositories, e.g. PhilArchive or PhilSci Archive, which make the archival copies freely and permanently available to the public. There is no embargo period for the accepted versions.
Delayed Open Access (moving wall): authors are permitted to make the published versions of their manuscripts or versions of record (namely the versions of the manuscript after peer review and with editorial typesetting) freely available to the public, after an embargo period of 3 years. The journal makes the published versions of all the articles or the versions of record of all articles freely and permanently available online, after an embargo period of 5 years.
Gold Open Access (open publishing): the published version of the manuscript or the version of record is immediately after publication made freely and permanently available online, if an an Article Processing Charge (APC) is paid to the publisher.