Leermakers89'

@inproceedings{DBLP:conf/acl/Leermakers89,
  author    = {Ren{\'e} Leermakers},
  title     = {How to Cover a Grammar},
  booktitle = {ACL},
  year      = {1989},
  pages     = {135-142},
  crossref  = {DBLP:conf/acl/1989},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/acl/1989,
  editor    = {Julia Hirschberg},
  title     = {27th Annual Meeting of the Association for Computational
               Linguistics, 26-29 June 1989, University of British Columbia,
               Vancouver, BC, Canada, Proceedings},
  booktitle = {ACL},
  publisher = {ACL},
  year      = {1989},
  ee        = {http://aclweb.org/anthology-new/P/P89/},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}