00661nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001600084100002300100245010200123250001200225260004000237300001700277650002800294650001900322942000700341999001500348952009200363IN-BaIIA211028s9999    xx            000 0 eng d  a0-201-01530-7  cIIA Library  a519.68bDAT  aDate, C. J.912307 3aAn introduction to database systemscC. J. Date                                                    a2nd ed.  aMassachusettsbAddison-Wesleyc1977  axxiii, 536p.  aDatabase Systems912308  aNASA Thesaurus  cBK  c7172d7172  00104070aBANbBANcGENd1982-09-17l0o519.68/ DATp7967r2021-11-05w1982-09-17yBK