| Tue, 29 Mar 2011 13:29:50 +0200 | Hopefully final. | file | diff | annotate |
| Mon, 28 Mar 2011 23:38:01 +0200 | Minor. | file | diff | annotate |
| Mon, 28 Mar 2011 23:37:03 +0200 | Layout adjustments, new preface. | file | diff | annotate |
| Mon, 28 Mar 2011 21:39:52 +0200 | Added final conclusion. | file | diff | annotate |
| Mon, 28 Mar 2011 19:25:26 +0200 | Final corrections. | file | diff | annotate |
| Wed, 23 Mar 2011 21:10:10 +0100 | Added book version. | file | diff | annotate |