A Computational Treatment of Lexical Rules in HPSG as Covariation in Lexical Entries W Detmar Meurers author Guido Minnen author 1997 text journal article Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal meurers-minnen-1997-computational https://aclanthology.org/J97-4003/ 1997 23 4 543 568