29th Annual Meeting of the Association for Computational Linguistics, 18-21 June 1991, University of California, Berkeley, California, USA, Proceedings.

Douglas E. Appelt 29th Annual Meeting of the Association for Computational Linguistics, 18-21 June 1991, University of California, Berkeley, California, USA, Proceedings. ACL ACL 1991 db/conf/acl/acl91.html http://aclweb.org/anthology-new/P/P91/