TY  - BOOK
AU  -  Yourdon,Edward  .
AU  - Gane, Chris  .
AU  - Lister,  Timothy  .
AU  - Sarson,  Trish  .
TI  - Learning to programm in structured cobol: parts 1and 2 / 
U1  - 005.133COB 
PY  - 1979///
CY  - New Delhi : 
PB  - Prentice Hall of India , 
KW  - Programming languageCOB
ER  -