TY  - BOOK
AU  - DAVIS, HARMER E
TI  - ELEMENTARY STRUCTURED COBOL: A STEP BY STEP APPROACH
SN  - 0070157820
U1  - 001.6424 
PY  - 1977///
CY  - Estados Unidos
PB  - MCGRAW-HILL
KW  - COBOL (LENGUAJE DE PROGRAMACION)
ER  -