About this article
Article Category: Research Article
Published Online: Feb 12, 2015
Page range: 1 - 7
Received: Aug 13, 2014
Accepted: Oct 20, 2014
DOI: https://doi.org/10.1515/cdc-2015-0001
Keywords
©2015 by Peter van der Veer, published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
van der Veer, Peter