GuoB07'

@article{DBLP:journals/db/GuoB07,
  author    = {Yue Guo and
               Stuart J. Barnes},
  title     = {Why people buy virtual items in virtual worlds with real
               money},
  journal   = {DATA BASE},
  volume    = {38},
  number    = {4},
  year      = {2007},
  pages     = {69-76},
  ee        = {http://doi.acm.org/10.1145/1314234.1314247},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}