Representing and Using Metacommunication to Control Speakers' Relationships in Natural-Language Dialogue. - David L. Sanford; John W. Roach (Int. J. Man Mach. Stud., 1987)

A theory of dialogue structures to help manage human-computer interaction. - David L. Sanford; John W. Roach (IEEE Trans. Syst. Man Cybern., 1988)