conf/vldb/83 Joachim Biskup Hans Hermann Brüggemann Universal Relation Views: A Pragmatic Approach. 172-185 1983 VLDB db/conf/vldb/vldb83.html#BiskupB83 db/conf/vldb/BiskupB83.html VLDB83/P172.PDF conf/pods/AtzeniP82 journals/tods/Babb82 ... conf/sigmod/CarlsonK76 ... conf/sigmod/DAtriMS83 conf/vldb/DayalB78 journals/jacm/Fagin83 journals/tods/FaginMU82 ... journals/tods/KorthKFGU84 journals/jacm/Lien82 conf/sigmod/MaierRSSW82 journals/tods/MaierU83 ... conf/sigmod/MaierW82 ... conf/vldb/Osborn79 conf/sigmod/Sagiv81 ... books/cs/Ullman82 conf/pods/Ullman82