Copyright and permissions

The copyright for the images, text, and layout of these pages belongs to the authors named. Permission is granted for their use and reproduction under the following limitations:

1. Credit for authorship shall be given on every copy made.
2. No profit will be made from any use or reproduction.
3. Any reproduction or use shall be for an educational purpose.
4. The author(s) shall be informed by email of the use or reproduction of the pages.
5. David A Reid, as web site coordinator, shall be informed by email of the use of the pages.