Processing English with a Generalized Phrase Structure Grammar. - Jean Mark Gawron; Jonathan King; John Lamping; Egon E. Loebner; E. Anne Paulson; Geoffrey K. Pullum; Ivan A. Sag; Thomas Wasow (ACL, 1982)

Multiple Worlds with Truth Maintenance in AI Applications. - Bonnie A. Nardi; E. Anne Paulson (ECAI, 1986)