+----------------+------------------------------------------------------------+
| .[ww] Revision | Changes |
+================+============================================================+
+| .51 | 1. Added 2n-zn2 iterative data. |
+| | |
++----------------+------------------------------------------------------------+
| .50 | 1. Added 2n-zn2 iterative data, graphs and tables. |
| | |
+----------------+------------------------------------------------------------+