The following are in reverse chronological order of publication.
Dowding, John and Gawron, Jean Mark and Appelt, Doug and Bear, John and Cherny, Lynn and Moore, Robert and Moran, Douglas. Gemini: A Natural Language System For Spoken-Language Understanding, Technical Note 527. AI Center, SRI International, 333 Ravenswood Ave., Menlo Park, CA 94025, Apr 1993. [PDF, Details]