Rachel E. Learned, Alan S. Willsky, Don M. Boroson.
Includes bibliographical references (p. 16).
Supported in part by the Dept. of the Air Force. F19628-95-C-0002 Supported in part by the Air Force Office of Scientific Research. F49620-95-1-0083 Supported in part by the Army Research Office. DAAL03-92-G-0115