TY  - BOOK
AU  - Ledin George
AU  -  Kudlick M
AU  -  Ledin V
TI  - COBOL programmer's book of rules
U1  - D65,8(B)92C, M3 
PY  - 1983///
CY  - Californai
PB  - Life time learning pub.      
KW  - Cobol programming
ER  -