New version of this site
We have now built a language-integrated version of our pages. The page that you are visiting now will no longer be supported, and, in a few weeks time, we will first shut down the functions and, thereafter, take down the pages.
Please use the new version if you are interested in the contents of these pages. You will find it here:

Also remember to adjust your bookmark if you have accessed this page using a bookmark.
Regards, The Authors

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