TY  - BOOK
AU  - Armstrong,R.M.
TI  - Modular programming in COBOL / 
T2  - A Wiley interscience publication
SN  - 0471033251
U1  - 005.133 
PY  - 1973///
CY  - New York
PB  - Wiley, 
KW  - Computers
KW  - Cobol
KW  - Computer programming
ER  -