Author Details

Ollermann, Frank, <pre>Universität Osnabrück</pre><pre>Zentrum virtUOS</pre><pre>49069 Osnabrück</pre><pre>Tel +49 541 969-6503</pre>Tel +49 541 969-16503, Germany



Creative Commons License
This work is licensed under a Creative Commons License Attribution-NonComercial-NoDerivatives 4.0 International.