@Article{lewis96nlp,
  author = {David D. Lewis and Karen Spärck Jones},
  title  = {Natural language processing for information retrieval},
  journal = {Commun. ACM},
  year   = {1996},
  number = {1},
  url    = {http://doi.acm.org/10.1145/234173.234210},

  const  = {\ text}
}