TY  - BOOK
AU  - Gamma, Erich / Helm, Richard / Johnson, Ralph / Vlissides, John
TI  - Design Patterns : Elements Of Reusable Object- Oriented Software
SN  - 978-81-317-0007-5
U1  - 510.7834 
CY  - N. Delhi
PB  - Pearson
KW  - Computer Science
N1  - 4631
ER  -