TY  - BOOK
AU  - Ledin,George
AU  - Kudlick,Michael D.
AU  - Ledin,Victor
TI  - The COBOL programmer's book of rules
SN  - 0534979238
PY  - 1983///
CY  - Belmont, Calif.
PB  - Lifetime Learning Publications
KW  - COBOL (Computer program language)
N1  - Includes index; Bibliography : p. 206-216
ER  -