01187nam--2200337---450-9900003638102033160036381USA010036381(ALEPH)000036381USA01003638120010316d1975----km-y0itay0103----baengNL||||||||001yyIFIP TC-2 special working conference on data base description languagesan In-Depth Technical Evaluation of Codasyl DDL Wepion, 13/17 january 1975edited by B.C.M. Douqué and G.M. NijssenAmsterdamNorth Holland1975VII, 382 p.ill.22 cm2001001-------2001001.6424IFIP TC-9 special working conference on data base description <Wepion; 1975>543723ITsalbcISBD990000363810203316001.642 4 IFI 33874001.642400105875BKSCIPATTY9020010316USA01154320020403USA011644PATRY9020040406USA011625IFIP TC-2 special working conference on data base description languages877035UNISA