TY  - BOOK
AU  - Gamma, Erich 
AU  - Helm, Richard
AU  - Johnson, Ralph
AU  - Vlissides, John
TI  - Design patterns: elements of reusable object-oriented software
T2  - Kernighan, Brian W
SN  - 9788131700075
U1  - 005.117 G146 
PY  - 1995///
CY  - Delhi
PB  - Pearson Education
KW  - Object
KW  - Oriented programming (Computer science)
KW  - Computer software
KW  - Reusability
KW  - Software patterns
ER  -