TY  - BOOK
AU  - Gamma, Erich
AU  - Helm, Richard
AU  - Johnson, Ralph
AU  - Vlissides, John
TI  - Design Patterns: elements of reusable object- oriented software
SN  - 9788191700075
U1  - 005.5 
PY  - 1995///
CY  - New Delhi
PB  - Dorling Kindersley
KW  -  Electrical and Electronic Engineering
KW  - Mechanical Engineering
KW  -  Civil Engineering
N1  - Design Patterns
ER  -