TY  - BOOK
AU  - Gamma, Erich / Helm, Richard / Johnson, Ralph / Vlissides
TI  - Design Patterns : Elements Of Reusable Object - Oriented Software
SN  - 81-7808-135-0
U1  - 510.7834 
CY  - Delhi
PB  - Pearson Education ( Singapore ) Pte. Ltd.
KW  - Computer Science
N1  - 2439
ER  -