TY  - BOOK
AU  - WirfsBrock, Rebeca  .
AU  - Wiener,Lauren  .
AU  - Wilkerson,Brian  .
TI  - Designing object-oriented software / 
SN  - 81  203  1050  0
U1  - 005.1 
PY  - 1997///
CY  - New Delhi : 
PB  - Prentice Hall of India Pvt Ltd. , 
ER  -