TY  - BOOK
AU  - Grauer R T
AU  - Crawford M A
TI  - COBOL environment
SN  - 0-13-139394-4
U1  - 005.133 
PY  - 1979///
CY  - N J
PB  - Prentice Hall
KW  - COBOL
KW  - Computer science
KW  - Programming language
ER  -