Performance Comparison of Point and Spatial Access Methods.

http://dx.doi.org/10.1007/3-540-52208-5_23 Hans-Peter Kriegel Michael Schiwietz Performance Comparison of Point and Spatial Access Methods. 89-114 SSD/1989/P089.pdf 1989 conf/ssd/89 SSD db/conf/ssd/ssd89.html#KriegelS89