@article{DBLP:journals/dke/GomezMPS00,
  author    = {A. G{\'o}mez and
               Ana Mar\'{\i}a Moreno and
               Juan Pazos and
               Almudena Sierra-Alonso},
  title     = {Knowledge maps: An essential technique for conceptualisation},
  journal   = {Data Knowl. Eng.},
  volume    = {33},
  number    = {2},
  year      = {2000},
  pages     = {169-190},
  ee        = {http://dx.doi.org/10.1016/S0169-023X(99)00050-6},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}