Pankaj K. Agarwal Lars Arge Gerth Stølting Brodal Jeffrey Scott Vitter I/O-Efficient Dynamic Point Location in Monotone Planar Subdivisions. 11-20 1999 SODA http://doi.acm.org/10.1145/314500.314525 db/conf/soda/soda99.html#AgarwalABV99