TY  - BOOK
AU  - Boettcher,Robert R.
TI  - Structured programming in COBOL
SN  - 0030705592
U1  - 621.C6424 
PY  - 1987///
CY  - New York
PB  - Holt, Rinchart and Winston
KW  - COBOL (Computer programm language)
ER  -