Elizabeth Hinkelman and 
   James F. Allen. Two Constraints on Speech Act Ambiguity.  In 
   ACL editor,  27th Annual Meeting of the Association for Computational Linguistics (ACL '89), June 26-29, Pages 212-219, University of British Columbia, Vancouver, BC, Canada,   1989.
 @InProceedings{Hinkelman_Allen:1989,
        AUTHOR = {Hinkelman, Elizabeth and Allen, James F.},
        TITLE = {Two Constraints on Speech Act Ambiguity},
        YEAR = {1989},
        BOOKTITLE = {27th Annual Meeting of the Association for Computational Linguistics (ACL '89), June 26-29},
        PAGES = {212-219},
        EDITOR = {ACL},
        ADDRESS = {University of British Columbia, Vancouver, BC, Canada} } 
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