| file | date | size |
| abstract.txt | 2003-08-18 | 1653 |
| fig1a.jpg | 2003-08-18 | 74906 |
| fig1b.jpg | 2003-08-18 | 65443 |
| fig2a.gif | 2003-08-18 | 59061 |
| fig2b.gif | 2003-08-18 | 100620 |
| fig3.gif | 2003-08-18 | 114221 |
| fig4.gif | 2003-08-18 | 87547 |
| fig5.gif | 2003-08-18 | 92852 |
| ms.tex | 2003-08-18 | 22954 |
