This entry was posted by Norbert Wiek on 21. September 2010 at 10:53 under Dies und Das, Fun. Tagged Allgemin, Buch, Dies un Das, Fun, Mathe, Mathematil, Terrashop, Terrashop.de. You can leave a response, or trackback from your own site. Follow any responses to this entry through the RSS 2.0 feed.