TY  - BOOK
AU  - Erich Gamma
TI  - Design Patterns
SN  - 0000069289
U1  - 1.6425 
PY  - 2009///
CY  - NewDelhi
PB  - Pearson
KW  -  Elements
KW  -  Object
KW  -  Oriented
KW  -  Patterns
KW  -  Resousable
KW  -  Software
KW  - Design
KW  - Software Engineering
ER  -