01271nam--2200385---450-9900003652002033160036520USA010036520(ALEPH)000036520USA01003652020010319d1977----km-y0itay0103----baengUS||||||||001yyInternational conference on management of dataToronto, Canada, august 3, 4 and 5, 1977D. C. P. SmithNew YorkAssociation for Computing Machineryc1977VI, 182 p.tab.28 cmIn testa al front.: ACM-SIGMOD2001001-------2001001.6442SMITH,D. C. P.International conference on management of data <Toronto; 1977>543780ITsalbcISBD990000365200203316001.644 2 INT 770003581 CBS001.644 200106108BKSCIPATTY9020010319USA011220PATTY9020010320USA011736ALANDI9020010516USA01102020020403USA011644PATRY9020040406USA011625International conference on management of data877155UNISA