conf/pods/87 Catriel Beeri Raghu Ramakrishnan On the Power of Magic. 269-284 1987 PODS http://doi.acm.org/10.1145/28659.28689 db/conf/pods/pods87.html#BeeriR87 db/conf/pods/BeeriR87.html journals/anthology/cd1-3:PODS87/P269.PDF journals/anthology/dvd1:text/1-3/PODS87/P269.PDF conf/pods/BancilhonMSU86 conf/sigmod/BancilhonR86 ... conf/pods/BeeriNRST87 journals/jacm/HenschenN84 ... ... books/sp/Lloyd84 conf/ijcai/Lozinskii85 ... ... conf/pods/SaccaZ86 conf/icdt/SaccaZ86 journals/tods/Ullman85 conf/sigmod/Gelder86 conf/eds/Vieille86