@techreport{lipski2008stt,
    author = {Lipski, Christian and Albuquerque, Georgia and Stich, Timo and Magnor, Marcus},
    title = {Spacetime Tetrahedra: Image-Based Viewpoint Navigation through Space and Time},
    number = {12-9},
    note = {http://www.digibib.tu-bs.de/?docid=00023968},
    institution = {Institut f{\"{u}}r Computergraphik, {TU} Braunschweig},
    month = dec,
    year = {2008}
}