TY  - BOOK
AU  - McLachlan,David J.
AU  - Molsom,Bertram
TI  - Data processing
U1  - 651.8 
PY  - 1967///
CY  - London, New York
PB  - McGraw-Hill
KW  - Business
KW  - Data processing
KW  - Punched card systems
KW  - Bookkeeping
ER  -