@inproceedings{lintu2007nebulae,
  title = {3D Reconstruction of Emission and Absorption in Planetary Nebulae},
  author = {Lintu, Andrei and Lensch, Hendrik and Magnor, Marcus and El-Abed, Sascha and Seidel, Hans-Peter},
  booktitle = {Proc. {IEEE}/{EG} International Symposium on Volume Graphics ({VG})},
  pages = {9--16},
  month = {Sep},
  year = {2007}
}