Octavian Procopiuc Pankaj K. Agarwal Lars Arge Jeffrey Scott Vitter Bkd-Tree: A Dznamic Scalable kd-Tree. 46-65 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2750&spage=46 2003 conf/ssd/2003 SSTD db/conf/ssd/sstd2003.html#ProcopiucAAV03