TY  - BOOK
AU  - Walstrom A.J.John
AU  - Summers K. Marguerite
AU  - Lindahl F.Tate 
TI  - Advanced structured COBOL
SN  - 0024242500
CY  - USA
PB  - McMillan
KW  - COBOL(Computer program language)
KW  - Structured programming
KW  - Advanced structured COBOL
ER  -