TY  - BOOK
AU  - McGill,Donald A.C
TI  - Punched cards: data processing for profit improvement
U1  - 651.26 
PY  - 1962///
CY  - New York
PB  - McGraw-Hill
KW  - Punched card systems
KW  - Office practice
KW  - Automation
KW  - Electronic office machines
N1  - Includes index; Bibliography: p. 223-224
ER  -