00505nam a2200181 a 450000500170000002000150001708200130003210000210004524500410006625000120010726000290011930000280014863000310017696400250020799700180023299900150025095200580026520251203090452.0  a007015564X  a004bDAV  aDavis, Gordon, B  aComputers and information processing  a3rd ed.  aTokyobMcGraw-Hillc1978  aviii, 417p.b22 cm.cPB  aElectronic data processing  bENGc100de010fg_  a10145 LIBSC C  c8701d8701  00104070aPUbPUd1998-04-08l0o004 DAVp10145yBK