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Privacy Policy


If you only read the pages on this website, no more information is collected than is typically collected in server logs by websites in general.

If you order paid content via this website, we will use the information you have entered to process and fulfill your order. We may also use these data for our own marketing and market research purposes (except when you have objected to such use, which you may do at any time). We promise not to transfer your data to any third parties.


The website will use temporary session cookies whenever you visit the site. If you do not intend to purchase paid content you may deny this cookie, but some features of the website (e.g. the order process for paid content) may not work properly without it.

Private logging

Every time you visit a web page you send a lot of information to the web server. Like most web servers we routinely maintain access logs with a portion of this information, which can be used to get an overall picture of what pages are popular, what other sites link to this one, and what web browsers people are using. It is in no way intended to use this information to keep track of legitimate users. These logs are merely used to create anonymous statistics on web site use, to solve technical problems, and may be used to investigate suspected abuses of the web site. Personally identifiable data collected in the server logs will only be released if it is required by law or reasonably necessary to protect the rights, property or safety of the website operators or its users.

Web site analytics

This website uses the "Google Analytics" tool to better understand how users are navigating on the site. Google Incorporated requires to display the following notice:

"This web site uses Google Analytics, a web analytics service provided by Google, Inc. ("Google"). Google Analytics uses "cookies", which are text files placed on your computer, to help the web site analyze how users use the site. The information generated by the cookie about your use of the web site (including your IP address) will be transmitted to and stored by Google on servers in the United States. Google will use this information for the purpose of evaluating your use of the web site, compiling reports on web site activity for web site operators and providing other services relating to web site activity and internet usage. Google may also transfer this information to third parties where required to do so by law, or where such third parties process the information on Google's behalf. Google will not associate your IP address with any other data held by Google. You may refuse the use of cookies by selecting the appropriate settings on your browser, however please note that if you do this you may not be able to use the full functionality of this web site. By using this web site, you consent to the processing of data about you by Google in the manner and for the purposes set out above."

If you do not want that information on your website use is collected using Google Analytics, you can download an "add-on" for various current web browsers at http://tools.google.com/dlpage/gaoptout?hl=en to prevent the collection of data within Google Analytics. Alternatively, you can configure your web browser to deactivate JavaScript (which will, however, also cause some parts of the website to stop working). Please refer to the documentation of your web browser on how to deactivate JavaScript, because the corresponding settings are different depending on the type of browser you use.