This site is maintained by Dr. Mark Nichter and
Heide Castaneda at The University of Arizona, with the support of the Center for Computing and Information Technology (CCIT).
Materials on this web site are subject to copyright, and
may be copied if the source is acknowledged. The University reserves the right to revoke
permission to the protected areas at any time. Permission is not given for any commercial
use or sale of this material.
All efforts have been made by the development team to
ensure the material is accurate and up to date, but the contents are provided "as
is" without express or implied warranty.