David Maier Jeffrey D. Ullman Moshe Y. Vardi On the Foundations of the Universal Relation Model. 283-308 TODS9/P283.PDF 1984 9 ACM Trans. Database Syst. 2 db/journals/tods/tods9.html#MaierUV84 http://doi.acm.org/10.1145/329.318580 db/journals/tods/MaierUV84.html ... journals/tods/AhoBU79 journals/siamcomp/AhoSU79 ... conf/pods/AtzeniP82 journals/tods/Babb82 conf/vldb/BeeriBG78 ... journals/jacm/BeeriV84 journals/tods/Bernstein76 conf/sigmod/CarlsonK76 journals/cacm/Codd70 journals/cacm/Codd82 ... journals/jacm/Fagin82 journals/tods/FaginMU82 conf/adbt/77 conf/pods/GrahamM82 conf/pods/GrahamV84 journals/jacm/Honeyman82 journals/ipl/HoneymanLY80 conf/vldb/ImielinskiL81 journals/tods/Kent81 journals/tods/KorthKFGU84 conf/bncod/Kowalski84 conf/pods/KuckS82 journals/tods/Lozinskii80 books/cs/Maier83 ... journals/jcss/MaierMSU80 journals/tods/MaierMS79 conf/sigmod/MaierRW83 conf/sigmod/MaierRSSW82 journals/tods/MaierU83 ... conf/sigmod/MaierW82 journals/tods/Mendelzon84 conf/sigmod/Nicolas78 conf/vldb/Osborn79 conf/db-workshops/Reiter82 journals/tods/Rissanen77 journals/jacm/SadriU82 conf/sigmod/Sagiv81 journals/tods/Sagiv83 conf/sigmod/SchenkP77 books/cs/Ullman82 conf/pods/Ullman82 ... conf/focs/Vardi82 ... conf/vldb/Yannakakis81 journals/jcss/YannakakisP82