JonesN68'

@article{DBLP:journals/ipm/JonesN68,
  author    = {Karen Sparck Jones and
               Roger M. Needham},
  title     = {Automatic term classifications and retrieval},
  journal   = {Information Storage and Retrieval},
  volume    = {4},
  number    = {2},
  year      = {1968},
  pages     = {91-100},
  ee        = {http://dx.doi.org/10.1016/0020-0271(68)90013-2},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}