TY  - BOOK
AU  - Langenbach, Robert G.
TI  - INTRODUCTION TO AUTOMATED DATA PROCESSING
U1  - 651.8 
PY  - 1968///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Electronic Data Processing
KW  - Punched Card Systems
N1  - Includes Bibliography
ER  -