conf/sigmod/92 Wolfgang Käfer Harald Schöning 266-275 1992 SIGMOD Conference db/conf/sigmod/sigmod92.html#KaferS92 http://doi.acm.org/10.1145/130283.130323 db/conf/sigmod/KaferS92.html SIGMOD92/P266.PDF journals/tods/Ariav86 conf/sigmod/SnodgrassA85 ... journals/tods/BatoryK85 journals/sigmod/Date88 journals/tse/DittrichL88 conf/vldb/DadamLW84 journals/tods/Gadia88 conf/ssdbm/GunadhiS90 conf/sigmod/GadiaY88 ... conf/vldb/HarderMMS87 conf/dasfaa/Kafer91 conf/vldb/KaferRS90 conf/icde/KaferS92 conf/sigmod/LumDEGPWWW84 conf/eds/Mitschang88 conf/vldb/Mitschang89 conf/dood/Schoning89 ... conf/vldb/SegevG89 conf/vldb/ShoshaniK86 journals/sigmod/Snodgrass86 journals/debu/StamS88 journals/is/Tansel86 conf/icde/WuuD92