WangZCZC11'

@article{DBLP:journals/cgf/WangZCZC11,
  author    = {Yunhai Wang and
               Jian Zhang and
               Wei Chen and
               Huai Zhang and
               Xuebin Chi},
  title     = {Efficient opacity specification based on feature visibilities
               in direct volume rendering},
  journal   = {Comput. Graph. Forum},
  volume    = {30},
  number    = {7},
  year      = {2011},
  pages     = {2117-2126},
  ee        = {http://dx.doi.org/10.1111/j.1467-8659.2011.02045.x},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}