What's New
| 03/09/08 |
More Xr-A4 data added. |
| 02/21/08 |
More Xr-B4 data added. |
| 02/20/08 |
More Xr-B3 data added. |
| 02/20/08 |
Preliminary Xr-B4 data added. |
| 12/29/07 |
Reorganized info on Xr-A series |
| 04/10/06 |
Xr-B3 preliminary data added. |
| 04/10/06 |
Xr-B2 data added. |
| 03/25/06 |
Xr-B2 preliminary data added. |
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