TY - CONF TI - External balanced regular (x-BR) trees new structures for very large spatial databases AU - Βασιλακόπουλος, Μιχαήλ AU - Manolopoulos, Yiannis PY - 2000 SP - 324-333 PB - World Scientific T2 - Advances in informatics. 7th Hellenic Conference on Informatics (HCI '99) ER -