| Wed, 04 May 2011 07:05:59 +0000 | urbanc | edits; sqeezed to 16 pages | file | diff | annotate |
| Tue, 19 Apr 2011 02:19:56 +0000 | urbanc | implemented most suggestions from the reviewers | file | diff | annotate |
| Sun, 20 Feb 2011 18:54:31 +0000 | urbanc | comments by Xingyuan | file | diff | annotate |
| Sun, 20 Feb 2011 08:12:13 +0000 | urbanc | added pictures for seq-case | file | diff | annotate |