| Mon, 22 Aug 2011 12:49:27 +0000 | urbanc | changes according to afp-submission | file | diff | annotate |
| Fri, 05 Aug 2011 05:34:11 +0000 | urbanc | more on the derivatives section | file | diff | annotate |
| Wed, 03 Aug 2011 12:36:23 +0000 | urbanc | more on the paper | file | diff | annotate |