| Wed, 07 Jul 2010 09:34:00 +0100 | Christian Urban | more on the paper | file | diff | annotate |
| Mon, 28 Jun 2010 15:23:56 +0100 | Christian Urban | slight cleaning | file | diff | annotate |
| Sun, 27 Jun 2010 21:41:21 +0100 | Christian Urban | fixed according to changes in quotient | file | diff | annotate |