License

Dieses Werk ist unter einer Creative Commons-Lizenz lizenziert.

This license allows to copy, distribute, display, and perform the work under the following conditions: The work must be attributed in the manner specified by the author or licensor. This work may not be used for commercial purposes. This work can be altered, transformed, or built upon it. If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one. This does not apply to quoted content from other authors. This license is based on the internationalen Creative Commons-Initiative. The Potsdam University Press suggests to provide documents under this open access conform license.

Creative Commons - Attribution, Noncommercial, Share Alike 3.0 unported