TY  - GEN
AU  - Wirfs- Brock, Rebecca3568
AU  - Wiener, Lauren3569
TI  - Designing object oriented software
SN  - 8120310500
U1  - 681.3.06 
PY  - 1997///
CY  - New Delhi
PB  - Prentice Hall 
KW  - Software engineering
ER  -