TY  - BOOK
AU  - Popkin,Gary S.
TI  - Comprehensive structured COBOL
SN  - 0534932703
PY  - 1993///
CY  - Boston
PB  - PWS Kent
KW  - COBOL (Computer programme language)
KW  - Structured programming
N1  - Accompanied by COBOL Format Reference Guide
ER  -