Hirst, Graeme Anaphora in natural language understanding a survey / Graeme Hirst - Berlin : Springer-Verlag, 1981 - 128 p. ; 25 cm. - Lecture notes in computer science ; 119 . Includes bibliographical references (p. 107-122) and index LCCN: 82-107817 Subjects--Topical Terms: Anaphora (Linguistics)Discourse analysis