TY  - BOOK
AU  - Ekman,Torgil
AU  - Nilsson,Kenneth
TI  - COBOL programming: an introduction
SN  - 0884053156
U1  - 005.133 COB 
PY  - 1975///
CY  - New York
PB  - Petrocelli Books
KW  - computer program language- COBOL
ER  -