The author has endeavored in all publications to respect the copyrights of any images, graphics, audio documents, video sequences and texts used, to use graphics, audio documents, video sequences and texts of their own creation or to make use of public domain graphics, audio documents, video sequences and texts. All brands and trademarks named in this Internet offering and possibly protected by third-parties, are subject to the provisions of applicable trademark law and the ownership rights of the copyright owners. The mere mention cannot lead to the conclusion that trademarks are not protected by third-party rights! The copyright for published objects created by the author remain with the author of the pages. Such graphics, audio recordings, video sequences and texts may not be reproduced or used in other electronic or printed publications without the express agreement of the author.