TY  - BOOK
AU  - Mccill, Donald A.C.
TI  - Punched cards: data processing for profit improvement: Donald A.C. Mccill
U1  - 651.8 
PY  - 1962///
CY  - New York
PB  - McGrawHill
KW  - Punched card system Business enterprise - data processing
ER  -