TY  - BOOK
AU  - Gamma, Erich., Helm, Richard.,
AU  - Johnson, Ralph.,
AU  - Vissides, John.
TI  - Design Patterns : Elements of Reusable Object-Oriented Software
SN  - 0 201 45563 3
CY  - India
KW  - Design Patterns
KW  - Object-oriented software
ER  -