00400    a2200145   4500020001500000082001500015100001900030245004200049250001200091260004400103300001900147650002900166650004100195700001800236  a0333560434  a005.7bBAM  aBamford, Carl   aData structures, files and databases   a2nd ed.  aLondonbThe Macmillan Pressc1987g1991  aix,262p.c23cm  aData in computer systems  aComputer programming, programs, data  aCurran, Paul