TY  - BOOK
AU  - Wirfs-Brock Rebecca
AU  -  Wiener Lauren
AU  -  Wilkerson Brian
TI  - Designing object-oriented software
U1  - D6,8(B2897), N0 
PY  - 1990///
CY  - New Delhi
PB  - PHI Learning     
KW  - I I C
ER  -