1. Contents of the On-Line Information
The authors will not take any guarantee for actuality, correctness, completeness, or quality of the information provided. No responsibility is accepted by the authors which are related to material of ideal damages caused by use or non-use of the provided information respectively by use of wrong or incomplete information. Therefore, liability is generally excluded as long as no intentional or strongly negligent fault can be proven.

All offers are open and not obligatory. The authors expressly reserve the right to change, extend, or delete parts of the pages or the total offer without previous announcement or to delete it in toto.

2. References and Links
In combination with direct or indirect references to other websites ("hyperlinks"), which are outside the responsibility of the authors, a regress would only be acceptable in case of the author's knowledge of the contents and if it would be technically possible and not unreasonable to prevent the use of illegal contents. 

The authors declare herewith expressly that at the time of the establishment of the link no illegal contents were to be observed on the linked pages. On the actual and future arrangements, the contents or the authorship of the linked or interconnected pages the authors have no influence. Therefore, they expressly keep distance to all contents of all linked or interconnected pages which are changed after establishing the link. This ascertainment it valid for all links and references as well as for foreign entries in guestbooks established by the authors, discussion fora and mailing lists outside the own internet offer. For illegal, mistakeful or incomplete contents and especially for detriments which are caused by use or non-use of such provided information only the provider of the page referenced is liable, not the person who only refers to relevant publications via links.  

3. Authorship- and Trading Right
The authors are endeveavoured in all publications to observe authorship of the utilized graphics, audio-documents, video-sequences, and text, to use graphics, audio-documents, viedo-sequences and text they have produced themselves or to fall back upon free-of- licence graphics, audio-documents, video-sequences, and text.

All trademarks and labels named or protected by third parties within the internet offer are underlaying without restriction of the relevant trademark rights and property rights of the relevant registered owner. Just by naming them it cannot be concluded that trademarks and labels are not protected by third parties!

The copyright of published objects originally produced by authors remains with the author of the pages. Reproduction or use of such graphics, audio-documents, viedo-sequences or text in other electronic or printed publications is not permitted without explicit agreement of the authors.

I case of domain quarrels, competition rights or other problems we ask everybody to contact us in the run-up in order to prevent unneccessary lawsuit and cost. The cost of a legal warning without prior attempt to contact the authors is dismissed in the sence of minimization of detriment.

4. Protection of Data
In as much as it is possible to enter private or business data (email-addresses, names, addresses) within the internet offer, the surrender of these data is done on an expressly voluntary basis by the user. Use of and payment for all offered services is - as much as technical possible and reasonable - also allowed without input of such data respectively under input of anonymousized data or pseudonyms. Use of contact data such as  postal addresses, teleophone- and faximile-numbers as well as email-addresses, published in the impessum or similar statments, by third parties for mailing of information not expressly requested is not permissable. Legal steps against the originators of so called Spam-mails with respect to violations of this ban are reserved expressly.

5. Legal Validity of this Exclusion of Liability 
This exclusion of liability is to be considered as a part of the internet-offer, from which is referred to this page. Should parts or single formulations in this text not, no longer or not completely correspond to valid rights, other parts of the document are not affected with respect to their contents and their validity.