| Tue, 06 Sep 2011 02:35:10 +0000 | urbanc | polished proposal | file | diff | annotate |
| Mon, 05 Sep 2011 13:09:38 +0000 | urbanc | shortened | file | diff | annotate |
| Mon, 05 Sep 2011 12:33:26 +0000 | urbanc | some changes | file | diff | annotate |
| Sun, 04 Sep 2011 07:28:48 +0000 | zhang | Proposal paragraphs by Xingyuan completed (with references added). | file | diff | annotate |