@inproceedings{hepple:acl99, 
   author = {Mark Hepple},
   title =  {An Earley-style Predictive Chart Parsing Method for 
             {Lambek} Grammars}, 
   booktitle = {Proceedings of the 37th Annual Meeting of the 
             Association for Computational Linguistics (ACL'99)},
   year = 1999,
   pages = {465--472},
   month = June, 
   address = Maryland
}