@article{DBLP:journals/jasis/ShibataKTM09,
  author    = {Naoki Shibata and
               Yuya Kajikawa and
               Yoshiyuki Takeda and
               Katsumori Matsushima},
  title     = {Comparative study on methods of detecting research fronts
               using different types of citation},
  journal   = {JASIST},
  volume    = {60},
  number    = {3},
  year      = {2009},
  pages     = {571-580},
  ee        = {http://dx.doi.org/10.1002/asi.20994},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}