| Wed, 22 Feb 2012 13:25:49 +0000 | urbanc | partially updated conference paper; slightly tuned journal paper | file | diff | annotate |
| Sat, 17 Dec 2011 13:32:11 +0000 | urbanc | updated urls to AFP | file | diff | annotate |
| Sun, 20 Nov 2011 22:53:50 +0000 | urbanc | added slides for a talk in St Andrews | file | diff | annotate |