| Size | Date | Filename |
|---|---|---|
| 12K | Nov 8 20:15 | opportunity-cost-5 |
| 13K | Nov 2 15:31 | opportunity-cost-4 |
| 22K | Oct 26 19:08 | opportunity-cost-3 |
| 14K | Oct 21 20:17 | opportunity-cost-2 |
| 12K | Oct 13 21:21 | opportunity-cost-1 |
| 29K | Jul 2 18:16 | bonding-energy-9 |
| 19K | Jun 27 15:54 | bonding-energy-8 |
| 21K | Jun 13 12:31 | bonding-energy-7 |
| 16K | May 26 18:43 | bonding-energy-6 |
| 21K | May 19 20:36 | bonding-energy-5 |
| 24K | May 12 21:29 | bonding-energy-4 |
| 18K | May 9 2005 | bonding-energy-3 |
| 12K | Apr 28 2005 | bonding-energy-2 |
| 16K | Apr 22 2005 | bonding-energy-1 |