Last Revision: 28 December 2020
The logo and the Arabic text in the header of these pages have been typeset with ArabTeX.
I thank the developer of ArabTeX, Prof. Klaus Lagally, for a considerably improved styling of the Arabic text in the header of my pages.
I thank Jörg Knappen (Dieselstraße 13, D-66123 Saarbrücken) for the design of my logo and for his contribution on the design and programming of this website.
© 2004-2021 All rights reserved, Petra Dünges
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