The contents of this website are subject to copyright laws of Germany. A written authorization is needed for any form of duplication, processing or distribution of text and images. Links to external websites have been very carefully selected. However, it is impossible to me to persistently and continually monitor the contents of the external web pages; therefore, i accept no responsibility for their contents. At the point in time when the links were placed, no infringements of the law were recognisable to me. As soon as an infringement of the law becomes known to me, I will immediatly remove the link in question.