@Article{Sykora09-EG,
  author =  "Daniel S{\'y}kora and John Dingliana and Steven Collins",
  title =   "{LazyBrush}: {Flexible} Painting Tool for Hand-drawn Cartoons",
  journal = "Computer Graphics Forum",
  volume =  "28",
  number =  "2",
  pages =   "599--608",
  year =    "2009",
}