TY  - BOOK
AU  - WIRFS-BROCK, REBECCA
TI  - DESIGNING OBJECT-ORIENTED SOFTWARE 
SN  - 81-203-1050-0
U1  - 005.121 O 00 WIR/WIL 
PY  - 2000///
CY  - NEW DELHI
PB  - PRENTICE-HALL OF INDIA
ER  -