000			00508nam a2200169Ia 4500
001			1520
005			20261006003536.0
008			120911s9999 xx 000 0 und d
020			_a0155168096
082			_a658.054 SIL
100			_aSilver, gerald a _9882
245			_aData processing for business / Gerald A. Silver, Joan B. Silver.- 2nd ed.
250			_a2E
260			_aNew York : Harcourt Brace Jovanovich, c1977.
300			_axi, 596 p. : ill. ; 25 cm.
650			_aBusiness -- Data processing. _936
999			_c1520 _d1520