| Thu, 19 Nov 2009 17:48:44 +0100 | Christian Urban | spilt the Essential's chapter | file | diff | annotate |
| Thu, 19 Nov 2009 14:11:50 +0100 | Christian Urban | updated to new Isabelle | file | diff | annotate |
| Wed, 18 Nov 2009 14:06:01 +0100 | Christian Urban | tuned | file | diff | annotate |