TY  - BOOK
AU  - Armstrong, Russell M.
TI  - Modular programming in COBOL
U1  - 001.6424 ARM 
PY  - 1973///
CY  - New York
PB  - Wiley
KW  - COBOL (Computer program language)
N1  - "A Wiley-Interscience publications."
ER  -