RusH94'

@article{DBLP:journals/cl/RusH94,
  author    = {Teodor Rus and
               Tom Halverson},
  title     = {Algebraic Tools for Language Processing},
  journal   = {Comput. Lang.},
  volume    = {20},
  number    = {4},
  year      = {1994},
  pages     = {213-238},
  ee        = {http://dx.doi.org/10.1016/0096-0551(94)90005-1},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}