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  - 5.117 
CY  - New Delhi
PB  - Pearson
KW  - Object-Oriented Programming
N1  - 4858
ER  -