Austin B. Frakt, W. Clem Karl, Alan S. Willsky.
Includes bibliographical references (p. 29-30).
Supported by Air Force Office of Scientific Research. F49620-95-1-0083, F49620-96-1-0028 (awarded to Boston University) Supported by a National Defense Science and Engineering Graduate Fellowship awarded by the Defense Advanced Research Projects Agency. F49620-93-1-0604