@inproceedings{cccg-06
, title =       "Geometric Separator for $d$-Dimensional Ball Graphs"
, author =      "Kebin Wang and Shang-Hua Teng"
, booktitle =   "Proceedings of the 18th Canadian Conference on Computational Geometry (CCCG'06)"
, site =        "Kingston"
, year =        2006
, pages =       "125--128"
}