@misc{wenger2009hybrid,
  title = {3D Reconstruction of Planetary Nebulae Using Hybrid Models},
  author = {Wenger, Stephan and Morisset, Christophe and Steffen, Wolfgang and Magnor, Marcus},
  howpublished = {Poster @ SIGGRAPH 2009},
  month = {Aug},
  year = {2009}
}