Hartmut Noltemeier Knut Verbarg Christian Zirkelbach Monotonous Bisector<sup>*</sup> Trees - A Tool for Efficient Partitioning of Complex Scenes of Geometric Objects. 186-203 1992 conf/dfg/1992 Data Structures and Efficient Algorithms db/conf/dfg/dfg1992.html#NoltemeierVZ92