TY  - BOOK
AU  - Gamma E et al.
TI  - Design Patterns: Elements of Reusable Object-Oriented Software
T2  - -
SN  - 9788131700075
PY  - 2009///
PB  - Pearson Education Pvt. Ltd.
KW  - "Mechanical, "Design Patterns
N1  - -
ER  -