A Hierarchical Spatial Index for Cell Complexes.

http://dx.doi.org/10.1007/3-540-56869-7_7 Elisabetta Bruzzone Leila De Floriani Monica Pellegrinelli A Hierarchical Spatial Index for Cell Complexes. 105-122 SSD/1993/P105.pdf 1993 conf/ssd/93 SSD db/conf/ssd/ssd93.html#BruzzoneFP93