Fernando C. N. Pereira and Stuart M. Sheiber, Prolog and Natural-Language Analysis, CSLI Lecture Notes 10.

C. Ravi Shankar Fernando C. N. Pereira and Stuart M. Sheiber, Prolog and Natural-Language Analysis, CSLI Lecture Notes 10. 275-278 1989 39 Artif. Intell. 2 db/journals/ai/ai39.html#Shankar89