conf/sigmod/92 Chee Chin Low Beng Chin Ooi Hongjun Lu H-trees: A Dynamic Associative Search Index for OODB. 134-143 1992 SIGMOD Conference db/conf/sigmod/sigmod92.html#LowOL92 http://doi.acm.org/10.1145/130283.130307 db/conf/sigmod/LowOL92.html SIGMOD92/P134.PDF journals/tkde/BertinoK89 conf/vldb/CareyDRS86 journals/csur/Comer79 conf/sigmod/KemperM90 ... conf/dood/LowLOH91 conf/oodbs/MaierS86 journals/is/ScheuermannO82 conf/vldb/ValduriezKC86