@mastersthesis{tech200516,
  title = {Non-Photorealistic Rendering of Algorithmically Generated Trees},
  author = {Nathan Dudley},
  number = {2005-16},
  institution = {Washington University in St. Louis},
  school = {Department of Computer Science and Engineering},
  note = {Combining abstraction and realisim for rendering trees. Published in GRAPP, 2007},
  month = {May},
  year = {2005}
}