TY  - BOOK
AU  - Hein, Leonard W.
TI  - An introduction to electronic data processing for business
U1  - 651.26 
PY  - 1961///
CY  - London, New york
PB  - D. van nostrand company
KW  - MCE
N1  - 0; 0; 0; 651_260000000000000_HET
ER  -