I would like to extend my sincerest thanks to Dr. Ron K. Cytron, without whose tremendous help, dedication, and patience, this would never have been written.
I would also like to thank Dr. Takayuki Dan Kimura and Dr. Mark A. Franklin for agreeing to be on my defense committee at such short notice and at such a busy time of the year.
I would like to thank Noah Treuhaft for his work on the eer program and his other invaluable contributions to this project.
And I would like to thank Steve Scott for answering my interminable LaTeX questions and for putting up with me during this writing.
This research was supported in part by the National Science Foundation under grant CCR-94-02883.
Michael P. Plezbert
Washington University in Saint Louis
May 1996