TY  - GEN
AU  - Davis,Gordon Bitter
AU  - Litecky,Charles R.
AU  - Olson,Margrethe H.
TI  - Elementary structured COBOL : : A step by step approach 
SN  - 0070157820
U1  - 005.133,DAV 
PY  - 1977///
CY  - New York
PB  - McGraw-Hill
KW  - COBOL (Computer program language)
N1  - PART-1: Fundamental Features of Cobol (Page-1), PART-2: Additional Features of Cobol (Page-155)
ER  -