TY  - BOOK
AU  - Ashton,Frank
TI  - Mechanised accounting: direct-entry accounting machines and computers 
SN  - 0712113657
U1  - 657 22
PY  - 1973///.
CY  - London: 
PB  - Macdonald & Evans, 
KW  - Accounting
N1  - Includes index
ER  -