@article{marroquim08a,
  author    = {{R}icardo {M}arroquim and
               {A}ndre {M}aximo and
               {R}icardo {F}arias and
               {C}laudio {E}speran\c{c}a},
  title     = {{V}olume and {I}sosurface {R}endering with {G}PU-Accelerated {C}ell {P}rojection},
  journal   = {{C}omputer {G}raphics {F}orum},
  year      = {2008},
  issn      = {0167-7055},
  volume    = {27},
  issue     = {1},
  pages     = {24-35},
  doi       = {http://dx.doi.org/10.1111/j.1467-8659.2007.01038.x},
  publisher = {{B}lackwell {P}ublishing, {I}nc.}
}