TY  - BOOK
AU  - Silver, gerald a
TI  - Data processing for business / Gerald A. Silver,  Joan B. Silver.- 2nd ed
SN  - 0155168096
U1  - 658.054 SIL 
CY  - New York : Harcourt Brace Jovanovich, c1977.
KW  - Business -- Data processing
ER  -