conf/vldb/89 Andreas Henrich Hans-Werner Six Peter Widmayer The LSD tree: Spatial Access to Multidimensional Point and Nonpoint Objects. 45-53 1989 VLDB db/conf/vldb/vldb89.html#HenrichSW89 db/conf/vldb/HenrichSW89.html VLDB89/P045.PDF journals/cacm/Bentley75 conf/sigmod/FaloutsosSR87 conf/focs/Fredman80 conf/sigmod/Freeston87 conf/sigmod/Guttman84 conf/vldb/Guting89 ... conf/icde/HutfleszSW88 conf/sigmod/HutfleszSW88 conf/wg/HenrichSW89 conf/icdt/KriegelS86 conf/icde/KriegelS88 ... conf/edbt/LitwinZL88 journals/tods/NievergeltHS84 conf/pods/Otoo86 conf/sigmod/Robinson81 conf/vldb/SeegerK88 conf/icde/SixW88