000 00523cam a22001577a 4500
008 180718b1975 xxu||||| |||| 00| 0 eng d
020 _a0 8144 2182 2
082 _aI5372 H789
100 _aHorwitz, Geoffrey B.
245 _aComputer operating systems: investment or overhead?
_cby Geoffrey B. Horwitz and Michael Dendy Young
260 _aNew York
_bAMACOM
_c1975
300 _a31p
440 _aAMA Management Briefing
650 _aElectronic data processing departments --Management
700 _aYoung, Michael Dendy
999 _c428708
_d428708