TY  - BOOK
AU  - Popkin,Gary S., x
AU  - x
TI  - Advanced structured cobol: x
SN  - 0534013945
U1  - 001.6424/P828a 
PY  - 1983///
CY  - Boston
PB  - Kent Pub.
KW  - Computer programs
KW  - COBOL
N1  - Includes
ER  -