TY  - BOOK
AU  - Davis,Gordon Bitter
AU  - Olson,Margrethe H.
AU  - Litecky,Charles R.
AU  - 
TI  - Elementary structured COBOL: a step by step approach 
SN  - 0070157820
U1  - 005.133 
PY  - 1977///
CY  - New York
PB  - McGraw-Hill
KW  - COBOL (Computer program language)
N1  - Originally published in 1971 under title: Elementary COBOL programming; Includes index; Includes index
ER  -