Serge Abiteboul Stéphane Grumbach COL: A Logic-Based Language for Complex Objects. 347-374 DBPL1987/P347.pdf 1987 DBPL db/conf/dbpl/dbpl87.html#AbiteboulG87 conf/dbpl/87 db/conf/dbpl/AbiteboulG87.html ... journals/jcss/AbiteboulB86 ... conf/pods/AbiteboulH84 journals/tcs/AbiteboulH88 books/mk/minker88/AptBW88 conf/pods/BancilhonK86 conf/pods/BancilhonMSU86 conf/pods/BeeriNRST87 conf/pods/BidoitH86 conf/sigmod/BunemanF79 ... ... conf/sigmod/GardarinM86 conf/sigmod/HammerM78 journals/csur/HullK87 journals/jacm/HullY84 journals/jacm/Jacobs82 conf/pods/JaeschkeS82 ... conf/pods/Kuper87 ... ... journals/is/SchekS86 journals/tods/Shipman81 conf/oodbs/Stonebraker86 journals/jlp/Gelder89 ...