James Clifford David Scott Warren 214-254 TODS8/P214.PDF 1983 8 ACM Trans. Database Syst. 2 db/journals/tods/tods8.html#CliffordW83 http://doi.acm.org/10.1145/319983.319986 db/journals/tods/CliffordW83.html ... ... journals/is/BillerN78 ... ... ... conf/popl/CasanovaB79 conf/adbt/Chang77 journals/tods/Chen76 ... ... ... journals/cacm/Codd70 ... ... ... conf/adbt/77 ... conf/vldb/Goldstein81 conf/aaai/GreinerL80 conf/sigmod/HammerM78 ... journals/ai/HobbsR77 ... ... conf/er/Klopprogge81 ... journals/is/LaineMP79 books/cs/Maier83 ... conf/sigmod/MaierW82 ... conf/adbt/Minker77 ... ... conf/sigmod/Nicolas78 conf/adbt/NicolasM77 conf/adbt/NicolasY77 ... ... conf/adbt/Reiter77 ... conf/sigmod/SchmidS75 journals/is/Sernadas80 journals/tods/Shipman81 journals/tods/SmithS77 conf/sigmod/StonebrakerK80 books/cs/Ullman80