Kenneth C. Chou, Alan S. Willsky.
Caption title.
Bibliography: p. 35-36.
Supported, in part, by a grant from the National Science Foundation. ECS-8700903 Supported, in part, by a grant from the Army Research Office. DAAL03-86-K-0171 Supported, in part, by a grant from the Institut de Recherche en Informatique et Systemes Aleatoires, Rennes, France.