TY  - BOOK
AU  - Welburn,Tyler
TI  - Advanced structured COBOL: batch, on-line, and data-base concepts 
SN  - 0874845580 (pbk.)
AV  - QA76.73.C25 W438 1983
U1  - 001.64/24 19
PY  - 1983///
CY  - Palo Alto, Calif., [Santa Cruz, Calif.]
PB  - Mayfield Pub. Co., Mitchell Pub.
KW  - COBOL (Computer program language)
KW  - Structured programming
UR  - http://www.archive.org/details/advancedstructur00welb
UR  - http://www.openlibrary.org/books/OL3512971M
ER  -