conf/sigmod/79 Lawrence A. Rowe Kurt A. Shoens Data Abstractions, Views and Updates in RIGEL. 71-81 1979 SIGMOD Conference db/conf/sigmod/sigmod79.html#RoweS79 SIGMOD79/P071.PDF http://doi.acm.org/10.1145/582095.582107 ... journals/tods/AstrahanBCEGGKLMMPTWW76 ... ... conf/vldb/BrodieS78 ... ... conf/sigmod/Date76 conf/vldb/DayalB78 ... ... ... ... journals/cacm/LiskovSAS77 ... ... ... ... ... journals/tods/Schmidt77 conf/jcdkb/Schmidt78 ... conf/sigmod/Stonebraker75 journals/tods/StonebrakerWKH76 ... ... conf/vldb/Weber78 ... journals/spe/Wirth77 journals/tods/WongY76