@phdthesis{Sousa:1999:CGG,
  www = {http://wwwlib.umi.com/dissertations/fullcit/NQ46821},
  optnote = {},
  author = {Sousa, Mario Costa},
  optkey = {},
  optannote = {},
  opttype = {},
  url = {http://pages.cpsc.ucalgary.ca/~mario/home/PhD/index.htm},
  school = {Department of Computing Science, University of Alberta},
  address = {Canada},
  localfile = {papers/Sousa.1999.CGG.pdf},
  optmonth = {},
  doi = {http://doi.acm.org/10.1145/931359},
  optabstract = {},
  optstatus = {OK},
  optlocalfile = {},
  title = {{C}omputer-{G}enerated {G}raphite {P}encil {M}aterials and
           {R}endering},
  year = {1999},
}