If a manuscript is accepted for publication, you will be asked to pay an Article Publication Fee to cover publications costs.
For 2014, 2015 and 2016 die ERDE will charge a page fee of € 12.50 for each published page to cover the production expenses. In justified cases a lower fee or now contribution can be negotiated.
This fee includes full open access to contents, no additional fee is necessary to allow everybody to access the PDF of the published paper. This means: you can freely distribute the final PDF, present it on your homepage and make links to the PDF from other web sites.