| Thu, 12 May 2011 05:55:05 +0000 | urbanc | preparation for final paper version | file | diff | annotate |
| 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 |
| Sun, 20 Feb 2011 06:02:58 +0000 | urbanc | polished everywhere...two cases still missing | file | diff | annotate |
| Sat, 19 Feb 2011 10:23:51 +0000 | urbanc | included comments by Chunhan | file | diff | annotate |