TY  - BOOK
AU  - Mclachlan, David J.
AU  - Milsom, Bertram
TI  - DATA PROCESSING
U1  - 651.8 
PY  - 1967///
CY  - London
PB  - Mcgraw-Hill
KW  - Punched Card Systems
KW  - Electronic Data Processing
KW  - Book-Keeping
ER  -