conf/sigmod/82 Frank Manola Alain Pirotte CQLF - A Query Language for CODASYL-Type Databases. 94-103 1982 SIGMOD Conference db/conf/sigmod/sigmod82.html#ManolaP82 SIGMOD82/P094.PDF http://doi.acm.org/10.1145/582353.582369 db/conf/sigmod/ManolaP82.html ... journals/tods/AstrahanBCEGGKLMMPTWW76 journals/tods/BonczekCW77 ... ... persons/Codd72 conf/vldb/Date80 ... conf/sigmod/DeheneffeH76 ... conf/jcdkb/Housel82 ... ... ... conf/vldb/Pirotte79 journals/cacm/RitchieT74 ... journals/tods/StonebrakerWKH76