@Article{SCI:Dan2008b,
  author =    "J.D. Daniels and C.T. Silva and J. Shepherd and E.
              Cohen",
  title =     "Quadrilateral Mesh Simplification",
  journal =   "{ACM} Transactions on Graphics - Proceedings of
              ACM SIGGRAPH Asia 2008",
  volume =    "27",
  number =    "5",
  year =      "2008",
  doi =       "10.1145/1409060.1409101",
  url =       "http://www.sci.utah.edu/publications/daniels08/siggraph-asia2008.pdf",
}