TY  - BOOK
AU  - Welburn, Tyler
TI  - Structured cobal: Fundamentals and style
SN  - 087485432
U1  - 005.133 
PY  - 1981///
CY  - California
PB  - Mafield
KW  - Data concept
KW  - Cobal program
KW  - Data Manipulation
ER  -