TY  - BOOK
AU  - Ledley,Robert Steven
TI  - Programming and utilizing digital computers
U1  - 621.381957 
PY  - 1962///
CY  - New York
PB  - McGraw-Hill
KW  - Computer programming
KW  - Programming languages (Electronic computers)
KW  - Electronic data processing
N1  - Includes bibliography
ER  -