This is a test page to see if you can view the enhanced version; if
your browser and system are appropriately configured, you should see a
square button above this text, which changes color when you move your
mouse across it, and you should also hear a sound file playing in the
background. If you run the mouse over the button, it should turn red
and you should hear a click when you select it.
If this is not what you're seeing, please select the STANDARD option
below. Otherwise, select ENHANCED, and proceed.....
| STANDARD | ENHANCED |
HAL's_Legacy@mitpress.mit.edu