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