OPEN ACCESS PAPERS
A few papers a year will be published open access. These are selected by the editors. The open access papers so far published are available here.
FREE ACCESS TO THE 2014 VOLUME
Currently, the entire 2014 volume is available free of charge if you sign up with de Gruyter. You need to:
The complete process is described (in German) with screenshots here: Set Up.
Online access for individual subscriber is 49 Euros a year.
The full range of pricing options is available at the de Gruyter website, here.