@techreport{fernandez2008algebraic,
  title = {Algebraic 3D Reconstruction of Planetary Nebulae},
  author = {Aja Fern{\'a}ndez, Juan and Wenger, Stephan and Morisset, Christophe and Magnor, Marcus},
  institution = {Inst. f. Computergraphik, {TU} Braunschweig},
  number = {7},
  month = {Jul},
  year = {2008}
}