PengL11'

@article{DBLP:journals/ijdcf/PengL11,
  author    = {Fei Peng and
               Yu-Zhou Lei},
  title     = {An Effective Reversible Watermarking for 2D CAD Engineering
               Graphics Based on Improved QIM},
  journal   = {IJDCF},
  volume    = {3},
  number    = {1},
  year      = {2011},
  pages     = {53-69},
  ee        = {http://dx.doi.org/10.4018/jdcf.2011010104},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}