TY  - BOOK
AU  - Armstrong R M
TI  - Modular programming in COBOL
SN  - 0-471-03325-1
U1  - 005.133 
PY  - 1973///
CY  - N Y
PB  - John Wiley
KW  - COBOL
KW  - Computer science
KW  - Modular programming
ER  -