Editorial This article is protected by German copyright law. You may copy and distribute this article for your personal use only. Other use is only allowed with written permission by the copyright holder.

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Date: 2011-12-12 09:10:33		Editorial This article is protected by German copyright law. You may copy and distribute this article for your personal use only. Other use is only allowed with written permission by the copyright holder. Add to Reading List Source URL: i11www.iti.uni-karlsruhe.de Download Document from Source Website File Size: 363,63 KB Share Document on Facebook